Why do people say...............?

why do people say that players who score alot are ballhogs? like Kobe and AI? Iverson averages 7+ ists per year the last 3 years and even b4 that he would average 5-6 even a couple years he had 7. Kobe averages 6+ per game hes been a consistent ist man throughout his career. so y do people say that they r ballhogs are they just stupid or what?