I don't see that he's trying to own the libs. He points out what problems he sees with aspects of modernity- we all do that- in a comedic way, in the style of internet subculture, and advocates seperation from that modernity and its problems. Hence moving out of cities to small towns, moving off of big tech platforms and having your own personal website, growing and cooking your own food, etc. In general, becoming progressively more independent from macroscopic society.
This stickman guy seems to be the opposite of that. Hanging around in cities, headbutting with antifa losers, makes you just as much of a loser. None of it's real, it's all performative- it's all cringe, a waste of time, a distraction when you could be building something better. LS definitely wouldn't consider stickman 'based'.
I don't see the edginess, either. Something edgy is trying to be transgressive and out there, but LS's thumbnails and titles are just standard /g/ vernacular. To his audience- internet-goers who are used to /g/-style vernacular- there's nothing edgy or transgressive about the language/imagery used, it's just standard memes.
Speaking your subculture's language to your subculture isn't edgy. Black rappers don't say digger to offend white suburban moms, LS isn't going to left-wing people's facebook/twitter pages and posting soyboy memes at them; he's mocking those people in his own space, among his subculture. Of course they can be edgy and offensive to you, but you're the suburban white woman in this scenario.
I certainly don't think anyone should aspire to being 'a nice linux nerd', or to go out of their way to appease suburban white moms' overactive sensitivities and imaginations, for that matter. That would be very cringe and bluepilled, so to speak.