I think conservatives openly hating on women, LGBT+ and minorities might be indeed a reason why they are not as popular as with majority male young population. Not sure why you dismiss that argument. Young man, rich folks and just conservatives are the target demographic. But for a rebellious young teen boy (from my experience) it’s toss up if he wants to be edgy as left or as right. Maybe right has a slight edge right now since mainstream media became extremely fake left leaning - so maybe if I was a teen right now, I myself would lean more to the right.
So your turn: what problems are boys facing that are not addressed somewhere in the left sphere?