Arman is just salty because he was an idiot and refused to take his punishment fight earlier.
His pullout against Islam Makhachev in January 2025 was pretty egregious. By all accounts, he started having muscle spasms due to a bad weight cut. That's not an unexpected injury; it's a failed weight cut. And any fighter that ruins a main event fight due to a failed weight cut should be punished.
IMO the UFC made it clear that he needed to take a punishment fight to get another title shot. And he kept holding out, only finally accepting one against Hooker. He could have taken his punishment fight way back in June @ UFC 317, and then he'd be the one fighting Topuria right now, not Paddy.
Arman has no one but himself to blame.