I don't think it's practical and your examples are too specific. For the promotions (or auto promotions) there is SponsorBlock, it works pretty well for most we

I don't think it's practical and your examples are too specific. For the promotions (or auto promotions) there is SponsorBlock, it works pretty well for most well known channel. For the rest, it's mostly creator specific. If a creator is abusing sentimental music in many videos, or I don't like the way he/she talks. I just hit "unsubscribe" and move on.