Henrich is a little more focused on the idea of actions that are demonstrations of one's commitment to the unifying beliefs of a group, but I think he may think that making public declarations that are confusing or embarrassing or unpopular from the point of view of outsiders can be one form of that.
https://psycnet.apa.org/record/2001-05917-013
https://www.sciencedirect.com/science/article/abs/pii/S10905...
Henrich is a little more focused on the idea of actions that are demonstrations of one's commitment to the unifying beliefs of a group, but I think he may think that making public declarations that are confusing or embarrassing or unpopular from the point of view of outsiders can be one form of that.