Why stay at all whether they revert it or not? They're egregiously incompetent and if they've done this sort of thing once, they're going to do it again. Developers should go where their support will help make something better (Godot) and not stick with the crusty old Unity hag that is constantly pawing at their pockets hoping for the jingle of coins.
It really depends on how modular their codebase is. The Doom 1/2 modern ports they did in 2019 use Unity. But it's actually still the original Doom underneath and just using Unity for input and output to make porting easier
I agree, although a lot of the work going into a game is the game design, art, and iteration, and not just the programming and rigging. And it may actually be a catalyst to rewrite parts better
Strongly disagree. While a lot of work does go on to art assets which should be simpler to migrate, the code is absolutely what makes the game. There are tons of very successful games with low quality or stock assets, there are very few popular games with broken code.
Even then, it's still a lot of effort to check every asset you're using to ensure they work as expected in your new engine.
I agree for a specific scenario: if you don't use many unity specific packages or assets. Then, perhaps you are correct, still I don't blame anyone staying even in that case, as it is still daunting to take on such a task.
Even though it's just one dev, they're giving Unity a reason to revert. If you just say "Yo, I'm OUT!" then they've already lost you and they have no reason to revert on your behalf.
If Developers were in a relationship with Unity, it'd be the sort where Unity always comes home drunk and is verbally abusive, but they stick around with the belief that Unity will change.
This is the classic tactic of doing something just to see if people will accept it. Even if they backtrack, they absolutely WILL do shit like this again. It's just like EA and micro transactions