I am surprised at the anger everyone has against LaBron

So, last night my Cousin Elise was in town with her boyfriend, boyfriend's brother and sister-in-law and Kiki.  So..  Eddie, myself and the 5 of them we all went to dinner.  We decided to go to Dalton's a nice sports bar / pub where Eddie and watch college football in the fall, because "the game" was on. (Yes - if you hate sports, your right, "the" game is always on...)
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Now they are from Albuquerque and we are from New York, and none of us are big Pro Basketball fans.  But we, and most people in the bar, found ourselves actively rooting against LaBron James and the Miami Heat in the Pro Basketball Championships.
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For those of you that don't know, LaBron is a fantastic player, who broke Cleveland's heart when we left the home-town team , where he was an idol, for a bigger payday and joined a team already heavy with talent in Miami. Miami went out and purchased a championship team, all that was left was the hand-clapping.
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And the playoff's.
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Turns out, Dallas - who no one really likes, is giving Miami a run for their money.  They may or may not win - but it was shocking to hear so many people actively cheering against the guy we had all be cheering for when he was propping up the Cleveland Cavilers (are they still the Cavilers?  I know everyone calls them the Cav's now).