In what I saw, she was leaving...
Perhaps there was more to that than the clip I saw?
But, she was walking out, on her own volition.
I didn't see it as being slowly enough to be an issue where anyone would have the right to physically use contact.
But, all of that is not 100% clear, from my limited info.
My guess is that there is no actual teachers union in that State.
There are no unions in the Southern States here that I am aware of.
But, yes, obviously, this meeting was not the best, or most correct and appropriate way to address these concerns.
PS: just to throw this out there... based only on perception... not on pertinent facts, This State seems to known for it's extreme levels of political corruption, good-ole-boys networks in charge, etc...