I think the crux of what you're saying is that if you're a member of group A and you do some "critical thinking", you might find yourself associating with the i

I think the crux of what you're saying is that if you're a member of group A and you do some "critical thinking", you might find yourself associating with the ideas of group B instead. But you're still a member of group A, so some members of group A will find your new ideas to be incongruent... Of course if you leave group A and hang out in group B instead, nobody will disagree with your "extreme" ideas.