Pronger didn't do anything worse than what Chelios had done in his career. As others have mentioned, he made the teams he was on better and carried a couple of them on his back to the Finals.
I'm surprised Holmgren said that. It's a pretty obvious thing but it's not like Pronger had announced retirement or anything. He'll never play hockey again but hopefully his symptoms improve so he lead a mostly normal life and enjoy spending time with his kids. Last I heard his symptoms sounded awful.
But... but... but... Chelios never did anything against the WINGS. At least not, you know, like... at the END of his career.
I've always detested Pronger, but that was as a hockey player playing against my team. I still hold some of his antics against us against him, but again, that's on the ice.
Off the ice, I hope he feels better and can live without pain.
I fully agree that this was stupid of Holmgren to mention this, but technically it doesn't change anything. Pronger is still on LTIR since he's physically unable to play.
If he was feeling better and his symptoms were gone, then there might be an issue if they kept him on LTIR because they felt that he had missed too much time and that he wouldn't be good enough to compete or if he just wanted to retire but didn't announce it so that he could keep getting paid without counting against the cap.
Since that's not the case, LTIR is still a valid option that no one can really argue. He's definitely injured and it's definitely long term.