It seems at times it's almost rather immoral to bring life without the child having any say in the matter, but how would you assess the morality of something like childbirth if they aren't yet in existence when you make the decision? I've seen some arguments claiming that life generally has more suffering than happiness, so could it really just be a question of quality of life, or should the possible impact on the child be ignored?
If in expectation a life involves more suffering than happiness, then it is immoral to create such a life. I think that that is not the case, for most people, there is more happiness than suffering. We justify making the choice for an as-yet-non-existent person the same way we justify making all choices for very small children, and gradually fewer choices as the child gets older: until they are able to make a decision for themselves, somebody else has to make it for them, and all we can do is give the decision to someone we think will act in the child's best interests.
I think it's quite easy. Chose not to have children yourself and leave the moral burden to those who are ready to bear it. It's not like there's a lack of new humans anyway.
"You didn't choose to be born" only needs reconciliation if you care about the existence of choices. And if you do care about the existence of choices, then how do you reconcile the nonexistence of choices in a world devoid of people?
Everything exists in the multiverse, so there is no choice: a child will be born anyway