Observationally, ad spamminess is inversely correlated with user intent and platform prestige. So I suspect it will take quite a while until it gets quite this bad for the premium platforms.
1) start with a notification that ads are coming (already there)
2) adding 1 ad to start with
3) slowly increase ads
4) make it a huge part of the experience (like Google now)
It will happen slowly over time:
1) start with a notification that ads are coming (already there) 2) adding 1 ad to start with 3) slowly increase ads 4) make it a huge part of the experience (like Google now)