If I had an employee that was pissing off a bunch of my customers and acting in a manner most would call irrational, I'd want to know about it so I could deal with it.
If Jean Paul has just gone off the deep end the power's that be don't know, or at least don't know the depth of what's going on, it might be nice to let them know.
Either way, it would be nice to know where to aim...