OP is claiming having children is wrong, in other words that people who have children are wrong. They’re not saying that it’s not for them but might be the right choice for others, but rather that their own choice is the right one.
Life is a painful mess, no matter what you do, you can’t guarantee that your child won’t have the most horrid existence imaginable, rolling the dice on someone else’s life due to your own selfish need to procreate is what they’re saying is wrong. I regret that my mom had me, life has been a living hell, nothing short of her not having me would have changed that.
Your life is a painful mess and you’re generalising that to everyone. I’m sorry you’re unhappy about your life, but that really isn’t an argument about other people having children.
Life can be painful, it can be beautiful, it can be dull or exciting, or anything in between. It’s not inherently negative or positive, as you’re claiming.
The point is lost on you. I genuinely hope your kid has a good life, but I personally would never gamble someone else’s life for my own selfish wants, and I can’t reconcile others decisions to do so either.