The titles on some of his (Charles Berthoud) titles are a little click bait-ish, but the dude has some serious skill. Watch some of his more serious videos.
The titles and editing fall into the YouTube 'game', but hes able to make a living off of his videos.
I know him, yeah he's got some chops, thats for sure. But I stopped watching out of principle when I discovered he actually doubled his tracks on a video, making it seem like he's playing a single bassline, when in fact, he's recorded 2 separate parts, put them on top of each other, and then mimed playing it as a single part for the video. (he didnt even hit 1/3d of the notes and it was visible to anyone whos played for a few years).
I didn't bother with any more of his videos after that, as I suspected there'd be the same kind of trickery going on.
Tbh there's nothing technically wrong with doing it that way, I've worked in tv and music production for years, so I know how "the sausage is made" so to speak, but it's just extremely dishonest, and he never disclosed it to any of his viewers, so.
I'm more interested in seeing what people can actually accomplish playing on their own, without "playing with themselves" so to speak, or using technology to make it seem more impressive. There's plenty other -amazing- bassists out there worth watching who dont misrepresent themselves or cater to the clickbait crowd.
Tbh I feel like doing stuff like that is detrimental to young players, or any players for that matter. They get a false sense of whats possible, and might not discover for themselves that he's "cheated" until they've already spent years and years idolizing the guy and working to earn an unachieveable level of proficiency.. Plus you know, it puts the rest of us in a bad light aswell, as some people start expecting a single player not only to be able to play a super hard bassline, but playing 2 at the same time.
I might start watching him again when my 2nd pair of arms grow in.
Just my 2 cents. I hate to bash on the guy, but you asked.