I think you'll find my original parent comment said "You know, for now..." - as in they aren't doing it yet. But do you really think Dario cracked open his wallet for fun without some later expectation of a return on investment? The Blender devs willingly or not are now frogs on the boil until the soulless ghouls over at Anthropic come calling.

They didn't enter in any obligations. It's a donation.