I disagree. First of all, which big egos are you talking about? Other than Artest, Kings really don't have egos too big to handle. Second, I am not saying he did a bad job as a coach outside of the court. He just doesn't do much DURING a game. So many times Kings have fallen apart on the court, and rarely he does anything to patch things up. Good players win the games. Good coaches hold them together even in a losing game.
Knicks were horrible during the season, but Larry Brown has done a lot of experiments and adjustments to turn things around. They just didn't work well enough. Adelman? He doesn't experiment, period. Well, at least not during the games. He sticks by his game plan till the end, no matter how bad things are going. Not a great quality in a coach, if you ask me.
As for the contract, the fact that he hasn't gotten an extension is his own fault. Like I said, Kings only got to the playoff because of Artest, not because of Adelman. To be honest, he isn't really helping his case either. And if you are suggesting that he isn't doing his job because this is his last job as a King, that just means he isn't very professional, something one wouldn't want in their coach.