“Drinking the Kool-Aid” is a metaphor commonly used in the United States and Canada that refers to a person or group holding an unquestioned belief, argument, or philosophy without critical examination.
I’ve been a graphic artist for over 10 years. One of my favorite quotes is:
“I would want a different church. I would want a different ritual motivated by different ideas. I think there is a place for the sacred in our lives under some construal that doesn’t presuppose any bullshit.” — Sam Harris, “The Four Horsemen”: Hour 2 of 2 – Discussions with Richard Dawkins, @ (32:00)