"Four reminders:
not all bizarre behavior is mental illness; not all ineptitude results from psychiatric deterioration; not all egregious deeds are clinical symptoms; and madness is not synonymous with evil.
... his behavior is not psychosocial alterity, it is white supremacist Reason laid bare."
It's important to remember that people get like that by choosing to put their fragile ego above all else over and over again, putting them in a misery spiral that could have been prevented if they acknowledged their imperfection and tried to grow a little.