Idea pathogens such as postmodern denial of truth, radical social constructivism, and grievance hierarchies hijack rational thought like brain worms.
They thrive on Ostrich Parasitic Syndrome, rejecting biology, reality, and evidence in favor of feelings, victimhood, and power.
They divide, censor, and drain the host society of common sense.
And we end up having to deal with the consequences of what we considered absurd lunacy only a decade ago.