He dicked off for years and got rich while everyone else kept evolving and getting even more competitive

The money in McGregor now is in fun fights against other guys he has history with. He’ll never be a champion again, but there’s money to be made in an Aldo rematch, Nate Diaz trilogy, or Rafael Dos Anjos fight.

McGregor will serve the same purpose that Nate Diaz and Jorge Masvidal do - elite draw but not an elite competitor.