At least racist drivers will be identifiable by their tags. This means that the individual's church members, co-workers, friends, family and strangers will know that the person is a racist just by looking at his tags. Maybe this will prevent road rage; help him keep a job; prove that he is a true christian (esp. if he is a preacher);and prevent damage to his car in the parking lot.
Drop the terrorism charges. No one was endangered by him. There was no shooter. This man needs counseling. He could possibly have a mental health disorder that causes delusions. He needs help.
Unfortuately we live in times where you have to be careful who you invite in your house....