It’s more than that. Would you devote 1-5% of your PC resources to others while you watch a video, if you could watch a video without ads? Yes. I bet so.
We are able to easily shoulder the burdens of hosting, yet Google wants to dominate us and force us to use their hosting at the psychological cost of being their sponge for anyone’s paid information campaign. YouTube in 2016 was non-stop Trump ads. Non fucking stop.