Every single team in the NBA has a player who believes he doesn’t get enough shots because his teammates hog the ball. You usually don’t hear about it, because those players know complaining publicly will harm the team. Only when is the grievance is so strong do players speak up.
But not getting shots isn’t the only way those players reach that level of unhappiness. Winning cures all ills, and when teams lose, players are less likely to suppress their complaints.