I think it’s more of a fee for passing the torch.
Sacrificing well known greats to build new fighters has always been part of the business in the UFC, but Jones is unique among fighters.
Youngest UFC champ, most title defenses, most wins, longest win streak, P4P #1 according to the UFC President himself.
Literally no one else has those accolades, and he’s done it in the most popular and dangerous divisions.
If he doesn’t have negotiating power, who does?
I think GSP probably felt the same, which is why, despite saying he would defend the MW belt, never did. He knew that Whittaker and the UFC were going to benefit greatly from him losing. The UFC likely didn’t offer what he wanted so he walked.
Jones has even more negotiating power, and is more egotistical than GSP. He will sit on the belt with a smile on his face until he gets what he deserves.
If Aspinall beats Jones, the UFC suddenly has a new superstar in a non-US market, and stand to make a ton of money going forward. Jones just wants his piece of the pie.