If you have the ontological or taxonomy error of mislabeling the concept of groupthink to individual cognition of correct group behavior, then I think that proves it is time to start ignoring you.
An arrogant person considers himself perfect. This is the chief harm of arrogance. It interferes with a persons main task in lifebecoming a better person.
GEC minters constitute an in-group. GEC non-minters constitute an out-group. Therefore, GEC minters could succumb to groupthink.
While the smart investor secretly converts cash and bitcoin into Monero and no one notices.