That is against what the shareholders want because it reduces the money.
Ergo, it will never happen.
At best we can expect some half baked ambiguous promises about not being evil (Google), excited yapping about something else as a distraction (Microsoft) or deafening silence (Apple) all backed up with thousands of pages of legalese and even more ambiguous international law.
So forget it; we have to move our feet. Stop being lazy and relying on all the services. Take a minimal set of services from elsewhere (I just have a domain and an IMAP box hosted by two small companies) and give the finger to them all.