That raises the question, whose fault is it? If people are so sensitive that they get spooked by halloween masks and triggered by witty remarks, does the world around them have to change, or do they have to change?
But wow, are they annoying.
People remember that kind of thing and millions edit themselves in a general low-level miasma of fear they might get targeted.
What appears to be the case is that if certain movements at their core significant weight on identifying/separating groups of people, especially based on grievance, it will inevitably split.
A group that bases itself on division, will inevitably divide and weaken.