"Francis is no bully..." If you say so; I'm not committed either way, though in charity I will say that I don't believe that Francis is a bully.  This doesn't change the fact that public shaming is one of the tactics of bullies.
You have zero evidence that Sarah violated a promise of obedience..  Souls are not endangered based on Sarah's apparently erroneous interpretations of the motu proprio's change of canon law on liturgical translation.  That's must be the zenith of hyperbole and the nadir of of any form of critical analysis.