Did PC allow abusive lesbian couple to adopt (and kill) six black children?

The horrific cliff plunge of eight people off an isolated northern California highway, and now the revelation that it was likely intentional, ought to raise questions about political correctness, given the abusive backdrop.

What we had here was a lesbian couple virtue-signaling with six adopted black children, who used them publicly for political purposes and then abused them back home, before eventually driving them all off a cliff in a Thelma and Louise-style dramatic climax.