I think this is the right attitude to take. It strikes the perfect balance between offloading your problems to the big guys, and keeping control if they decide to screw you over, or run off into the wild yonder.
That doesn't mean they couldn't still mess you up pretty bad. You'd want a pretty solid backup scheme, and you'll still have to accept the loss of some levels of privacy etc. but that might be worth it to you to subsidise cheap services, while still having an escape plan.
They're already screwing us over--they took sides in the election and modified/molded content and search results in an attempt to push their agenda. That was evil.
That doesn't mean they couldn't still mess you up pretty bad. You'd want a pretty solid backup scheme, and you'll still have to accept the loss of some levels of privacy etc. but that might be worth it to you to subsidise cheap services, while still having an escape plan.