I believe it's a mess because Dwight Howard can't make up his mind.
One day he's leaving, the next he is committed to staying.
There's a good ESPN INSIDER article somewhere that explains how Dwight Howard should take notice and learn from seeing the situation all of these other superstars are in after leaving their teams, vs Kevin Durant who chose to stay with the Thunder.
Howard should stay, but with his latest actions and attitude it's finally clear that he won't...