Can you give some context on how that would look like in practice that is not akin to everybody suicide? If we stop the cycle of reproduction then humanity will go extinct in about a century (not considering Longevity escape velocity which would significantly alter the subject context)

Trying to create a better world and to find cures for harm is a difficult challenge, i am willing to sacrifice some of my own life (time, body and energy) for the common good knowing that future generations will be better off. But doing so knowing that in a century none of that work will matter at all would be detrimental to my ability to find meaning and therefore wellbeing in my life. Besides that, knowing that we have collectively chosen extinction rather then trying to archive the vast untapped potential our conscious minds still hold to grow would bring me great pain and sadness.

There is also the matter with what are we going to do with all other species on our planet? Do we respect their ability reproduce because they have no conscious concept of consent or we will we nuke the entire planet in the hope that their is no and never will be any other life out there?

Also a different question with a more spiritual angle: How can you be certain that there was nothing within you that existed before conception which did consent to being born as a human being in a random family. If we halt reproduction then we are forcing non existence on potential consciousness. In absolutes you can chose to end your life when you have it but you cannot give life to yourself when you don’t have it.