Yeah, the classic example is serving me with ads for the thing I just bought (which won’t need replacing for >10 years). But then advertising is in general very

Yeah, the classic example is serving me with ads for the thing I just bought (which won’t need replacing for >10 years). But then advertising is in general very wasteful. Slightly improving efficiency is something people will pay for it seems. It’s been said in other comments, but a lot of advertising is for products which are useless or unpalatable or unhealthy. Just look at how much alcoholic drinks and soda drinks advertise. Maybe we should tax advertising revenue.