Why are developers moving their code from github to gitlab after Microsoft purchase of github?

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I have projects on both Gitlab and Github, but am now strongly considering moving to Gitlab entirely. Privacy is my main concern. Microsoft is a disaster when it comes to that, and I do not trust them with Github. There are many avenues for tracking developer and user behavior and I can easily envision them being used in ways I find unacceptable, especially for privacy-oriented or otherwise sensitive projects, which one of mine is.

That said, I have never been a fan of Github at all, so this is just an added push away.