"playing like he knew mark jackson was a goner"
I dunno. I read the game as Jackson sticking to his big picture plan . . . make the playoffs but prepare for the playoffs by restricting starter minutes (something that Jackson could have managed better this season) and giving the second team(s) more game practice, etc. That might be giving too much credit to Jackson . . . it's true the bench looked uncharacteristically sullen and even the starters seemed somewhat resigned.