In it’s current iteration, either you run a local model which has limitations that I think would prevent it from being used to this end (I don’t know that for sure, and am happy to find out if anyone does know), or you use a corporate one. Unfortunately corps seem largely to want to use AI to make money and one of the best ways to make money in the age of information is ads. There’s a reason they have become more and more prevalent despite the fact that so many people hate them.