I've legitimately never understood the appeal of his channel. Linus always came off as smug to me -- not in the way he talks to the camera necessarily but in the way he talks to his guest / colleague / other person on screen. And based on what little I have seen, the ego certainly doesn't seem justified. Plus there are a multitude of other "gadget / tech" channels available (that don't interrupt every 3rd sentence to hock some overpriced merch).
But there's no accounting for taste so, to each their own I guess.