[minimaxir]

There hasn't been a reason to stop using GitHub.

[mouse_]

Microsoft embracing and extending the free software ecosystem is not reason enough?

[minimaxir]

You're about 7 years late on criticism of Microsoft's acquisition of GitHub.

They have not taken any steps toward enshittifying it, and even if it did, it would have to be a very nontrivial change to cause people to stop using GitHub.

[layer8]

I think you mean no new reason.