There is a difference between bad and evil. Bad is a matter of opinion, evil is as evil does. Both can be fact checked, but only after the fact not based on words that have been said.
I have found it to be true that in order to get respect you must give respect, even to your apparent enemy.
If you poison the atmosphere before you begin to breath it and you too must breathe that same atmosphere then you will get what you deserve.
Are you making your pre-judgement based on conjecture, second hand “knowledge” and words or on actions. ” aye, there’s the rub.”