We're taught that our own personal mortification shouldn't become someone else's.  No collective acts and certainly not ones that come from publicized Francis-events, e.g., his 3rd annual pre-Christmas flagellations. 

Ever notice he rarely includes himself in any of his cleric rants?

Would that some of the comments here were a bit more tempered, self-denying, mortified. 

By the way a fast is a form of mortification.