Why not offer a model of pay-for-support, instead of ramming us with ads and saying "LOL it's free so f off"? Not you specifically, or even Google specifically

Why not offer a model of pay-for-support, instead of ramming us with ads and saying "LOL it's free so f off"? Not you specifically, or even Google specifically, but that seems to be a common theme. I'm sure plenty of people would be willing to pay a monthly fee to avoid exactly this.