"If you don't pay for it, you are the product." No one is being conditioned to accept continued incursions. Advertising is a necessary alternative to paid services. Always has been, and always will be. No, what's changing is that we, as customers, are becoming less willing to actually pay for anything. As such, we're getting what we've asked for.
I remember in the olden days when people paid for stuff they were "the customer is always right", and you were treated with respect because you might buy something from the store.
We seem to have sleepwalked into a world where people believe paying for services and content online is abnormal.
In capitalism, you get what you pay for. If you're not paying, you're either getting a crap product or you are the product.
Skype would be better if it cost you $1 a month to run, because then Microsoft would have a way of making money from it without wasting your time with adverts.