This is a accidentally good example, we don't know what motivated him, while your ridiculous reason is unsound because it would be also a bad thing to do if he were clearing a wasps nest on someone else's property in the middle of the night.

I suspect that they are not a bad person but someone radicalised by the media they consume.

Firebombing someone's house is a bad thing to do. It doesn't mean they are necessarily a bad person. Anger and confusion can make good people do bad things.

I don't care if Altman is secretly a good person. I care very deeply that he is taking actions to harm the world in grievous ways and is not doing any visible thing to mitigate the extreme damage he will do.

"Altman is secretly a good guy" doesn't pay people's mortgages.