This might sound like a random question, but it's not. The reason why comes from a hypothesis proposing sweeping retroactive changes to reality are happening. Known commonly as the Mandela Effect that some Christians fully believe in and share their warnings of it on places like YouTube such as the EYA YouTube channel or other social media groups like Facebook, Discord and Twitter. Before I go on let me say it's not my intent to undermine Jesus, God or the work of the Holy Spirit. Saying that because in order to explain this people are likely going to be offended.
If you don't already know what the Mandela Effect is then I will offer a common claim for an example. Some that watched the JFK assassination remember there being a total of 4 people in the car including the driver. However if you look at the video on YouTube or anywhere else it's not a 2 rows of seating car, but 3 rows of seats with a glass divider and the total number of people in the car is 6 not 4. From the point of view of the person that remembers 4 seats reality one day changed and all official records they can find changed to reflect there being 6 seats in that car. For everyone else however it's always been 6 seats in that car and their memory of the event reflects this.
Rightly or wrongly as one might foresee it's extremely easy to write this entire thing off as being bad or manufactured memory. However I'm going to focus on a hypothesis often, but not always cited for being the cause of this retroactive reality change at the core of the Mandela Effect. That being hyper advanced Quantum entanglement tech driven by massive Quantum computing systems. Sort of like the Quantum computing system Google claimed has "Quantum supremacy" over standard computing systems. Or the D-wave Quantum computers that have made tech headlines over the years.
Now I'm going to introduce how Quantum entanglement in an oversimplified way matters. The basic idea behind it is that two particles can interact on the Quantum level and instantly become perfect mirrors of each other when entangled no matter the distance between them. In a simple visual of what happens it's like if you had an orange and then someone in China had a lemon that instantly changed into an orange just because it got tangled up with it via a string you can't see. That would be cool and perhaps scary right. Well that's "spooky action at a distance" that people have tried creating in experiments for many years.
If this effect could be scaled up and controlled by humans then possible applications are endless. In fact independent labs are testing this and claiming Quantum entanglement can be done.
Link 1: https://www.livescience.com/2000-atoms-in-two-places-at-once.html
Link 2: https://www.livescience.com/quantum-memory-entangled-far.html
Link 3: https://physicsworld.com/a/quantum-secrets-can-be-teleported-and-shared-between-multiple-senders-and-receivers/
At this point I'm guessing your saying that sounds unbelievable. And yes even the man best known for writing the book on quantum mechanics Einstein hated everything about it. However the engineers that actually work on designing modern high end chip sets in computers, smart phones and other devices must contend with Quantum tunnelling that's included in quantum mechanics. So the core theory behind it can't be easily discarded whole sale.
Moving on to what I mean by possible applications I first suggest a Quantum wireless point to point internet that is no longer limited by radio range like WiFi due to Quantum entanglement having unlimited range. The one I am focusing on though is being to entangle a substantial amount of particles in objects. This would be much harder to pull off, but with the exponential growth in tech we have seen I don't think it's impossible.
Now you might ask what do I mean by entangling a substantial number of particles in an object. Let's just say you own a 500 page history text book on world war two. The hard cover, paper pages and even the ink used to print words is made of atoms composed of particles such as protons, electrons and neutrons.
By entangling 2,000 atoms one can't expect to see actual change to occur. However once you can entangle trillions upon trillions of atoms on a quantum level doors begin to open. If you could actually entangle enough atoms together it's possible you could remove the ink that created a period in that history text book. Then if you entangled way more atoms together change a letter and then whole sentence structures. If this technology was combined with deep learning AI you could easily use the AI to detect patterns across books along with other objects and change every world war two book in existence if Quantum entanglement technology became powerful enough.
I realize it's a massive leap in difference, but then so is the spending power of a independent lab vs say the US government or if we had a one world government willing to throw it's entire weight into developing this tech. I don't expect people to simply believe this is possible just because I said it could be.
However I am going to repeat the question in the title because I want to understand the theology behind biblical infallibility:
If a man showed up with power to preform wonders and change the words in the bible you have at home would that be proof he was God or the 2nd coming of Jesus if that's what he offered as proof?
The theological reason I ask is because of Amos 8:11-12 that speaks of not being able to find hearing the word of God due to a famine that effects it. If the bible for the most part didn't exist outside a few priest having one people really couldn't read until 400 or so years ago and nothing prevents them from being burned or having people put out new versions that play very loose with translation. Why can't other things happen to the bible in the future?
Especially if there is going to be a massive deception where even the elect would be fooled if that was possible. I've thought about this and honestly I can't think of a better way for the Anti-Christ to fool Christians than being able to change the bibles sitting on their desk at home.
I know some might say God wouldn't allow that to happen to God's word, but John 1:1 says Jesus is the word of God and so I truly don't understand where God promises to protect the modern bible from attack or even destruction.
Again I'm not trying to disrespect anyone's belief's here or undermine what Jesus did on the cross, but I did feel compelled to open respectful discussion on this issue.