Whilst I don't think trading for Karlsson was the smartest move, I don't necessarily think it was a bad move. It's definitely worked out for the Sharks but the reality is that he moved a bunch of players that weren't producing for a player coming off a great season on an awful team. The issue was I don't think Karlsson works in Sullivan's systems.
Ryan Graves contract looked solid when it was signed. Even though his production really wasn't there last season, he finished as a +10 and I don't think was particularly bad. He is shooting far less than his time with the Avs and Devils, so again, is it a player not fitting into a system?
I just don't think Dubas has been the disaster he is being made out to be here. Seravalli, from memory, was always extremely critical of Dubas in Toronto as well despite Dubas constantly adding toughness to the Leafs that all 'experts' claimed they needed. Dubas got the boot because he dare suggested the core be broken up.
False
He got bent over by RFA's who have literally 0 leverage in a negotiation and handed out atrocious contracts, NMC, bad term and bad AAC
Made arguably the worst trade of all time, Kadri for Kerfoot + Barrie
Traded away the pick that was used to select Konecny so he could trade draft Dermott instead
Repeatedly lost in the 1st round and didn't address the biggest needs
He went to the media and said it's Toronto or nowhere and he wouldn't "pop up somewhere else next week" he tried to use his family as leverage and literally demanded Brendan Shanahans job with his proposed offer
He was already speaking to Pittsburgh and it was leaked that they had an offer ready for him, he was trying to use that as leverage to squeeze money out of Toronto, once again after repeatedly failing in the playoffs
He traded away our 1st to dump Marleau (Seth Jarvis)
Traded a 1st for an injured Nik Foligno, when Taylor Hall was available. Then said that he had no interest in Hall, who was proven to be a significantly better player
There was lots of other issues but those were the biggest reasons he got the boot. He was completely clueless as GM here, apart from the Dubasites nobody wanted him here.