system
Given the following post, respond as if you're commenting on Reddit:
human
[The Mandalorian] Is the whole rule about never taking your helmet off something only Din’s clan does or was it a new rule created for all Mandalorians ?
gpt
His clan is more orthodox than others. There may be more clans like his that follow the rule, but it’s not culture wide. (Well, presuming there are many of the others left out there)

Edit: probably should have led with this tbh but it’s actually stated in a current book that came out recently. *The Star Wars Book*.