People complain about billboards next to a countryside highway because it is entirely irrelevant to driving through the countryside. Actual complaints may be about how the billboards block a scenic view but that also seems like another way of complaining about the irrelevance. Similarly, if I am watching a Youtube video, I am never thinking that a disruptive message from a commercial business is relevant to my current activities (uh, passivities?). No advertisement is relevant, not even in-video direct sponsorships, hence SponsorBlock.
If I go to Costco and see an advertisement for tires... well, I’m at Costco, where I buy stuff. Things are sold at Costco and people go there to have things sold to them. I might need tires and realize I can get that taken care of while I’m at Costco. Nearly every advertisement I see at Costco is relevant because it’s selling something I can buy in the same building, indeed usually something juxtaposed close to the advertisement.
I don’t complain about advertisements at Costco because that would be insane. I complain about the advertisements on Youtube because they’re irrelevant and weird but somehow normalized.