He basically got neglected oppurtunities based on his disdain of the “show business” aspect of MMA. He fights well, he’s exciting, but he talks about the Conor Mcgregor and Mayweather loud mouthed money making approach to self promotion that’s just never been his style of personality. He also calls out the culture of everyone using PEDs. I believe he was actually clean. His physique always looked normal. He’s funny in his own down to earth way but just never had the appeal mainstream MMA fans are looking for. I don’t think many people outside of Sherdog know who Mousasi is.