I read that the responsible guy and several other execs sold shares before announcing this, actually sold all year long and not buying any. So no trust in his own company. It could be a deliberate ruse to manipulate market. At the very least they knew exactly how the market and gamers would react to such a move. So maybe he saw a sacking coming. Apparantly he is highest paid boss in gaming and chances are that someone noticed that and he made the gambit of either delivering big money for his salary or cashing in with market manipulation.
With that Microsoft court document PDF leak (https://arstechnica.com/gaming/2023/09/ftc-v-microsoft-document-leak-outs-detailed-plans-for-mid-gen-xbox-refresh/), along with the whole fiasco of publishers being headed by businessmen who don't game much (hello Konami); one can certainly see that gaming in general is becoming much more corporate.
It appears that Flax may ultimately be what Devs will be be guided to use next. However, since it too isn't open source; one can anticipate potential lock-ins.
Godot is said to have some issues despite Godot 4.0's improvements. At the very least, if Godot ever followed in the footsteps of other open source products who turned evil (like Audacity), someone can still could fork it at least.
We may have a frog-in-pot situation. Adobe users have some familiarity with this.