Unknowingly to Rose he drives the other Champions mad with his constant need to keep Leon in sight at all times and butting into conversations that he doesn’t belong in nore was apart to begin with. Especially when he tails after them all when their in Galar doing PR and talking to Press about the upcoming master Eight battles.
He’d assumed since they get along with Leon, despite the others not getting to share a strong bond with the young man due to Rose’s influence, their fine with him. It’s particular to note, in the CD!au, that Rose is very obvious to the distaste for him in his internal colleagues.