I think progressives never thought about this because we banked on immigration and demographic change allowing us to win culturally and electorally but the issue is immigrants tend to be overwhelmingly male, that is how Trump won actually he won over a lot of Hispanic,Black,Asian and indigenous men who feel humiliated by a new culture, economy and world.
So what can we do rhetorically and policy wise to win more young men over ?
it is not the only way, but sex sells and that’s also what the nazis do: on one hand they have indoctrinated women cosplay the lucky trad wife and on the other hand they imply men can just keep women like pets if they’re rich or alternatively at some point get a girl pregnant, guilt trip her into not aborting, then basically ruin her carreer and force them into a marriage they can’t ever get out of. that’s what fascists present to boys on youtube, tiktok and other media to win them over. they also have other talking points, but this is one propaganda vector.