This is because we live in a time of transition. Humans always try get the best of two worlds, XX humans are no different. Men need to learn to speak up.
As I said in the other comment, I am moderately optimistic because some indicators are already moving e.g. you mentioned that more men will go childless. This is already happening.
I don’t think the childless men is a good thing though. The fact there are more childless men than women by a huge margin doesn’t signal to me that men are withholding - it looks like women are withholding.
As it stands, most women have far greater leverage in romantic relationships than most men. They can easily walk out the door and find a partner the next day. Most men spend much longer looking for someone.
As I said in the other comment, I am moderately optimistic because some indicators are already moving e.g. you mentioned that more men will go childless. This is already happening.