They didn't force anyone else to wear a hair shirt: hair shirts were private penance. These days, the Libs will force you to wear a metaphorical hair shirt 'for the children','for the planet' and for 'social justice'.
Exactly.
For some reason, libs have a blind spot that makes it impossible for them to discern the difference between an individual choosing to do something,
and that choice being forced on them by the state with the inherent threat of deadly violence for non-compliance.