[nostrademons]

I would bet that they paid him off anywhere from a couple hundred thousand to a couple million, and agreed to acknowledge him as a cofounder. Just enough to get his next venture off the ground and make it look impressive to potential investors. That way, Kyle/Cruise/YC wins on everything important to them, Guillory wins on everything important to him, and any costs can be pushed off on unsuspecting investors who were not party to the agreement.