Read the FAQ; they are pretty clear that Godot stays MIT license as today. My read of all this is that they are intending to provide similar porting services as some of the others (who they mention and link to) BUT because they are core contributors to Godot as well, this yields the proper impression that they are here to stay whereas we don't know the plans of the other groups that incidentally provide Godot porting services.
In addition, being able to check the "enterprise support available" box on any kind of evaluation matrix could be a very big deal to larger developers.
Enterprise support is huge. When something is going wrong on platform X and you have a month before launch, you need access to engine experts with an SLA.
In addition, being able to check the "enterprise support available" box on any kind of evaluation matrix could be a very big deal to larger developers.