Related:
The Parasitic Mind: How Infectious Ideas Are Killing Common Sense
by Gad Saad
“Dr. Gad Saad, the host of the YouTube show THE SAAD TRUTH, exposes the bad ideas—what he calls “idea pathogens”—that are killing common sense and rational debate. Incubated in our universities and spread through the tyranny of political correctness, these ideas are endangering our most basic freedoms—including freedom of thought and speech.”
https://www.goodreads.com/book/show/49680197-the-parasitic-mind
20 years ago I concluded that ideas are mind viruses.
Helpful ones promote the success of the host.
Harmful ones will kill the host.