>Also: Firefox has been rather poor about user privacy. Integrating third party stuff that's difficult to remove, like Pocket, for example.

1) Mozilla owns pocket, it's not third party. https://blog.mozilla.org/en/mozilla/news/mozilla-acquires-po...

2) This is completely irrelevant to user privacy, because Pocket doesn't exfiltrate any data. The source code for the integration is open source, you can go look this up yourself.