It could be considered a lot of things if there were lawyers willing to test out new legal theories to stop them, however as far as I am aware, nobody has really tried.
Startpage is another alternative if you use more than the free searches Kagi gives you. I usually reserve my Kagi searches for when other engines like Startpage, Qwant, DDG, etc. have failed me.
My take has always been he was a super fucked up dude who never got over his parents' murder.
Through the lens of reality, pretty much everything he does would be considered crazy (but then again, playing out childhood fantasies in the way he does falls solidly into crazy territory in my book even within the comic book universe).
It could be considered a lot of things if there were lawyers willing to test out new legal theories to stop them, however as far as I am aware, nobody has really tried.