On the bright side, if they do that Godot will just Fork, the same way Urho3D did. This would be a big bow but it may also be a small chance to truly dig in and fix some of the issues that were talked about for years in the community.
Wait, what happened with Urho? I thought they were going strong (aside from a few who tried to take their code and just rename it)… did I miss some news?
You can also see that the Urho3d repo is readonly on Github. I don't know which fork is the most active but there are a few that sprung out of the mess.
But I'm probably just daydreaming.