Who says this? I am not a cis-het man and have not heard the criticism. I thought it was a known thing? Are you literally hearing it doesn’t exist, or is it more like they need to suck it up and/or that they are losers that need to go outside?

If it’s the second, that’s sexism. That’s where it comes from. Illogical ideas about men. Believe it or not, we have not overcome that yet. People have very twisted ideas about how men and women should behave and feel.