It reminds me of the Soviet Union's intolerance of any sort of dissent. Sure, those people who sang that racist song ought to be made to feel bad, but official retaliatory action over a stupid song?
How about we just let social pressure punish them and leave off using the force of government to control people's speech?
“Their overreaction makes me worry that the anti-racists are a bigger threat than the racists.”
It could be.... In past the “witches” have been by and large less harmless than the witch hunters.