Seeing trends like these is very interesting for me. I’ve seen companies do it over and over: wait until your user base is dependent on you, and then throw terms at them that they are forced to agree to. Like the people commenting in this thread, most will just shrug and say “welp, my friends won’t switch so what can I do?”
I think the days of “free” apps (that actually use your personal information to make enormous amounts of money) are nearly over.
I wonder if users would switch to a service like whatsapp, but was extremely protected and private, if it cost a monthly fee. Maybe 7 bucks a month or something? Perhaps there is a more clever way to pay for such a service, but I think people will start realizing very soon that paying for privacy is a fair trade off.