Personally I don’t watch videos on software (except for skimming tutorials) since I prefer to learn about topics with written tutorials or Reddit. Software influencers have been on the rise for the past several years, everything from grifters claiming they can help you start an SWE career, to ones that make tutorials and showcases on software.
I’m more interested in hearing about the later. I came across found this discussion: What can we learn from Neovim’s rise in popularity? : emacs, with comments claiming that Youtubers like ThePrimeagen have helped a lot with making Neovim popular. I crossposted it to r/neovim and many so far many users there said that they found Neovim through ThePrimeagen’s videos.
Most Linux nerds I know aren’t watching a lot of Twitch streams or Youtube videos. Maybe I’m old school. I talk to other people (in the rare case I’m in a group of nerds) and they’d say “You really should try Neovim”. Or I read about it in some feed, blog post, forum… Or I try all editors. Or I’m looking for a replacement and get to know there’s a better fork. Yeah and maybe a Podcast. I think that’d count as influencers. Other than that, I’d say video influencers don’t work that well with the kind of people I know.