This inexperienced developer (woman) wasn't only emotional, but was condescending and rude (she literally hangs up on a meeting call!) - was asking for help and advice on this thread - was ultimately closed - here's what I got as a solution to the problem - apparently, we are sexist because she's a woman and she may be underappreciated!

1:

You’re using language that at very least betrays unconscious sexist and ageist biases.

2:

I feel the need point out, as a female dev who has been fortunate enough to make it to management, that you've made quite a point in your post to designate this person as female and describe their reactions as overly emotional, rather than disrespectful, which is what they really are. Women in tech are frequently well aware that they are underrepresented, and prone to feeling worried and frustrated ...

3:

OP's description contains subtle undertones of sexism for sure

4:

It's worth /considering/ that maybe they're feeling undervalued because of cultural norms

5:

It sounds like your coworker is primarily getting upset because they feel like people aren't seriously considering their opinions

6:

I'd first suggest you to take your colored glasses off and see this situation \objectively* because you aren't right now*

7:

Your description reads like a satirical joke, like something the classic neckbeard fedora wearing developer caricature would say. You’re using language that at very least betrays unconscious sexist and ageist biases

Fortunately there are decent folks there:

1:

I know a lot of people that are lazy and inept and have poor emotional IQ who are fine to work with. It's the screaming and aggression that is the problem – in other words, her behavior.

2:

I think you're ignoring the fact that raging and leaving a meeting is both disrespectful and emotional.

3:

Yes but hanging up on the call is the "low emotional IQ" response. What's next, covid19 is over and she flings poo at people who make mistakes in the office?

4:

It is not appropriate to yell at people in the workplace, no matter what.

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And look at what got downvoted:

Are you saying that is because they are a woman and the men are sexist and out get her?

Or, could it just be, that her ideas, regardless of her gender, really are subpar?