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 ?
The elimination of ghost jobs, for a start. If you have to jump through hoops for a job that doesn’t exist, that instills a strong distrust in society. People need money to make headway in their life, and shit like ghost jobs corrode the feeling of hope.
Once you cannot feel love for living anymore, that is a great deal of space in one’s heart to be filled with hatred.