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Remember what I said earlier: being a bonehead is not measured by whether you're a good or a bad guy, but rather by being thoughtless... LeBron guards his thoughtlessness with a passion.
I'm sorry to have to say it—wait, what am I saying, no I'm not— but LeBron has had such a laundry list of dumb moments last season that he's king of this mountain until someone even more reality-deprived comes along... and that may take a very, very long time.
It's not that LeBron is dumb (though I don't hold his intellect in the high regard I once did), it's just that he's not that in touch, which makes him say some very pig-headed things.
For the most part the other guys on this list had isolated indiscretions, albeit major ones, compared to LeBron's mountain of less serious gaffes. In my book, being a bonehead over and over and over counts for a lot.
He also has this defensive defiant streak towards his critics, which he can only maintain by completely ignoring the logic behind their criticism. I'll give you a hint: it's not just haters hating...
He has at best a vague concept of what should and shouldn't be said, routinely contradicts himself, and has little to no regard for the world outside his head.
Most players have one or two historically bad quotes in their career... LeBron has had a dozen at least in one year. He's completely out of control behind a microphone, and it ends up being detrimental to him and his team in the long run.
On the court, LeBron's habit of no-showing under extreme pressure is somewhat of a knock on him, but I wouldn't call that boneheaded. And frankly it's no match for the off-court version of LeBron, which is a phenomenal fiasco owing largely to a thoughtless lack of judgment.
He's had countless chances to clean up the messes his mouth makes, and failed to do so every time. Out of everybody on the list, LeBron makes me wonder the most whether he's a lost cause (sorry, LBJ fans), so it seems only natural he'd top the list.
Osteo-craniometer reading: 9.5 (cumulative score)