content: Its a tough call, in staying on Twatter he provided a clear view of what the enemy looks like and outraged his supporters creating motivation and greater in group identity which according to The Art of War is one of the most important attributes of a military force. If he had simply left he would handed his opponents the opportunity to say he supports racism and drive away melanin enhanced voters while failing to galvanize  his forces.  I honestly think it was a smart move at this point.