Arrogant ignorance.
Makes you want to shake the crap out of them...but there would be nothing left.
Apparently, Ms. Johnson feels we all have to make amends for the racism she experienced/benefited from in her personal upbringing.
She is determined to make herself a better person by punishing all of the people of her race that she feels are responsible for her perceived/imagined moral shortcomings.
Sociopath? Narcissist? Which definition does she fit best?