the psychologists will eventually see that there is no upside to having children
but that will be suppressed
i didn't have children
best decision i ever made
I have two and neither of them will ever have children and I totally understand
since womb transplants have become a viable thing, the solution is simple - just transplant the wombs from women who don't want children into the men who want women to have children. Sure, it will involve c-sections for every birth but it could very well solve the birthrate problem that some are complaining about.
I dunno, for a lot of those dudes, maybe the babies can just do the whole xenomorph thing and solve two problems at once.

A research scientist becomes the world's first pregnant man in order to test a drug he and a colleague have designed for expectant women. To carry out the trial, he has an embryo implant, believing that he will only carry the baby for three months – hardly expecting to face the prospect of giving birth.
Project 2025 wants to do this in the US I'm sure