It's not even remotely the same. Thunderbird is a client application that 1) Runs on my own machine, not on somebody else's servers. 2) Is FLOSS so it's actua

It's not even remotely the same. Thunderbird is a client application that 1) Runs on my own machine, not on somebody else's servers. 2) Is FLOSS so it's actually possible to verify what it's doing. I think there's a fair debate to be had about what data should be shared when users volunteer to "connect" accounts, but this Thunderbird analogy is horrendously off base.