It is a service, but you aren't the consumer, you're the product.

Yeah, that's why we tolerate you, until you do something other than complain. I want to use your logic. I'm tired of being forced to tolerate you so you should fuck off.

Yeah, but at least you're not subsidising it. Besides, surely everyone has a copy of it by now. What are they gonna do, advertise another product for me to find a FOSS alternative for?