Subscription
"or let me pay a subscription fee to turn them off. ............ The subscription? I dunno but promise not to circumvent your agreement to hide the ads by then stuffing your site with "exclusive subscriber offers" (i.e. ads)."
Fat chance. Totally untrustworthy so promises are valueless. . In the early days of Sky TV, some of the subscription channels were ad free. (Sky1 ?) They soon became subscription AND stuffed with ads. STNG on Beeb2 was 45 minutes. On Sky a full hour.
The world is full of Steff Murkeys ( http://www.userfriendly.org/) and they gravitate to Advertising. I hate it when it is called the "Advertising Industry". It doesn't make anything. In many ways it is an anti-industry in that it sucks the lifeblood from something that has value and diminishes it.