Yes, I would physically confront and restrain someone who was racially abusing my girlfriend, no matter their condition.
You can't enable or excuse criminal behaviour because the perpetrator has a 'disability'.
Would you allow or excuse predators that have their way with people because they are disabled and mentally ill? It's not their fault right? They can't control their impulses or behaviour right?
See where this type of thinking leads..?
Yet, I'm the pathetic one with low intelligence? I'm the one who should be ashamed for defending innocent people?