It's funny how people have shortened the metaphor and completely reversed its meaning.
The original metaphor is that "a few bad apples spoil the whole bunch"
Also, you gotta love how this list continues through not just decades, but so many examples — almost like a trend:
Pro-police officials were first recorded as using the metaphor following the beating of Rodney King and it was used following the shootings of Michael Brown, Alton Sterling, Philando Castile, Breonna Taylor, and the murder of George Floyd.