>... if you believe in the former, these very "virtues of aggregation" may become a threat of twisting and perverting the very truths that lie in all of us (as we may have seen it exploited in fascism).
This is a great point, and Haidt does acknowledge these "virtues of aggregation" can be and have been hijacked. Case in point, facism which labels as "hive psychology scaled up to grotesque heights." It's undeniable that dictators, cult leaders, etc. have exploited what he terms the "hive switch" but is that reason enough to completely do away with it, especially given its innateness as a groupish especies and its main function as a social adhesive?