Here you go:
https://en.wikipedia.org/wiki/Red_pill_and_blue_pill
red pill
noun
noun: red pill; plural noun: red pills
used to refer to a process by which a person’s perspective is dramatically transformed, introducing them to a new and typically disturbing understanding of the true nature of a particular situation.
“I had no real idea what horrors these animals suffered before getting to my plate. Then I took the red pill, and now I can never go back”
Thanks. That’s somewhat helpful, though it still seems a cumbersome way to get a point across. Triangulation may be necessary.