In terms of grassroots support, he’s been very effective. This map is from 2020 when there was an actual primary but it does paint the picture pretty well:
Source of graph (it’s paywalled but I found the image directly in the search results and copied it lol)
Those frustrated men will just be pointed towards feminism being the problem and the reason they can’t get laid. Male sexual insecurity is gasoline on the fires of fascism. Maybe at least they won’t have as much online fetish content to watch and get insecure over though… The point is, this could go any number of ways.