Remember the famous scream at the end of the 1978 version of Invasion of the Body Snatchers?

In the movie, that scream was used to call out humans who had not been replaced by hive-mind aliens. In 2020, similar but more aggressive behavior calls out people deemed to be out of compliance with COVID-19 regulations:

Not all Karens are female.

On a tip from ScrewyPuppy.