Originally Posted by The Porn Nerd

Donald Trump is doing this for the same reason he's done everything in his entire life: his own publicity and ego.

In his world there IS no 'bad publicity'. It's all just branding to him. Imagine how much more $ he will make after he loses. Or, if he wins, who cares if he sucks at being a President? It's all for his own amusement. His entire life has been this way so why change now?