But all of this is separable: storage at home, transport/computing provided by Google. So security and trust verification can come from Google (or any other pro

But all of this is separable: storage at home, transport/computing provided by Google. So security and trust verification can come from Google (or any other provider) but emails stay home. Or photo processing provided by Google, but photos stay home. That would however relegate them to a pipe and service provider and possibly force them into openly competing, so they would never do that. Owning your data for the lock-in is the point.