They also tend to not be featured very prominently on a huge product launch event while in the process of "finding something new to do with their time". If he's actually being squeezed out, that process must've started after the public launch of iOS 26.
EDIT: though I guess you could also read it as, iOS 26 had come too far to stop it, so they let Dye be the visible face of it so that he'd be the fall guy and the next guy would get the credits for fixing it... I don't know, I guess we don't really have enough info to speculate one way or the other