Yes i'll grant him with the tough task of trying lead a team who's front office did a great job building but ultimately destroyed all that good luck just as quickly, and between him and Russ having some tough years of injuries than yes he's had struggles in his career so far.
But even with all that, he basically got fed up right when he was so close to his ultimate goal and ended up taking the very easy route, "the golden ticket" so to speak.
I'm not for guys having to go their career never winning because of their blind loyalty to a franchise and placing too much trust in them, but Durant had power to do something similar to what LeBron did in Miami, which I agree 100% with LeBron when he said today that its not the same thing, Miami lost and had to reshape that roster a fair amount. GSW had to do nothing but cut loose a few players that didn't hurt them the slightest.