This is NOT a criticism of monogamy.

Monogamy is 100% valid. Each person should choose the best relationship model for them. For some it's open, for some it's closed.

This is a criticism against opposing open relationships / poly on moral or practical grounds.

Criticism 1: "Open relationships are immoral"

If you're opposing open relationships on moral grounds, well, just stop imposing your shit morals over other people. Let consenting adults do what the fuck they want. Pushing your morals on others is pathetic.

Criticism 2: "Open relationships never work"

If you are opposing open relationship on practical grounds, i.e "they never work". How the fuck would you know that? Have you been stalking each and every open couple?

You're probably going to say "But most of my friends who were in open relationships broke up" - So fucking what? You know who also broke up? Most of your friends in monogamous relationships. You're just abusing confirmation bias.

Open relationships or closed relationships both come with their own challenges and issues. This is why it's important that people be able to choose which model fit them best. Thinking you know what's best for everyone is pathetic.

Criticism 3: "Open relationships are not fair"

Usually "Because the woman can ride dicks around all day while it's much harder for men to find mates".

Is it generally easier for women to find people to have sex with? The answer to this question is actually much more complex than it sounds.

First, does your partner actually want to ride dicks all day? Sex is great but we all have jobs and responsibilities. If your partner is neglecting their life just for sex, that might be a different issue of its own.

But let's admit that this situation definitely can happen. As a matter of fact, it's rare that both parties in an open relationship have the exact same amount of sex or dating - that's just unlikely. For example, one of you might have more free time than the other.

But if you're not managing to get any sex on your side, that might just be a "you" issue, not an open relationship issue. Beside, preventing the other person to have fun just because you're not able to find people to have fun with, well, isn't that the unfair part in the end?

Now, that situation might makes you feel insecure, that's understandable. Then maybe yeah, open relationships might not be for you. But again, that's a "you" problem. If you can't handle an open relationship, just don't start one.

But what if you get pressured into one? Well, don't. Being pressured into doing what you don't want to do is, well, you being a victim. And that might be or not be your fault, but that's still pathetic.

Criticism 4: "If you let your partner see other people they will end up leaving you for them"

This one really annoys me. Are you telling me the only reason why your partner is with you is that you "locked them in"?

They're fucking humans, for God's sake. You don't own them. If they are happier with someone else, they should be with someone else (what prevent them from doing that right now anyway?).

It sounds like many people's views on relationships is that if you let your partner be free, they'll use this opportunity to just leave you, so you should prevent that by cutting their ties to the world. That can't be a healthy view of relationships. You and your partner should choose each others every day, until you don't, or if you're lucky until death do you part.

You shouldn't stay with someone out of convenience or fear of not being able to find someone else. That's pathetic.

Criticism 5: "If you feel like you want to date / have sex with other people, you aren't satisfied in your current relationship"

Not much to say about that one except that it's literally made up. Might be true for you, or for some people, definitely not true for everyone. Inventing shit like that is pathetic.

Criticism 6: STD risks

Use fucking condoms and lab test regularly. How hard is that? Not being able to protect yourself and the ones you love is pathetic.

Criticism 7: What about the kids?

1/ Not everyone wants kids

2/ Kids are fine in polyamorous families, after all it takes a village to raise a kid doesn't it?

For swingers, just hire a babysitter and don't bring the kids to the sex club. Thinking daddy and momma having sex with other people will somehow traumatize the kids is pathetic.

In summary

Not only are these criticisms bad, people using them as a justification as to why open relationships are always bad are displaying how ignorant they are of life and how pathetic their vision of human relationships is.

just let people live their lives y'all.