Totally agree. White supremacist has a "big umbrella" where men of all shapes and sizes and races and nationalities etc share an ideology of hate for one or more groups IMO. Males who are sexist, antisemitic, homophobic and share a litany of other positions on today's seemingly hotpoint issues get radicalized many times online and elsewhere. It's a channel for their anger IMO
This is a pretty good article that gives you a flavor :
White nationalists and supremacists are building thriving, macho communities across social media platforms like Instagram, Telegram and TikTok.
www.pbs.org
If pbs is not your cup of tea - there are plenty other options on google that also informative
All IMO