Hahahahaha!!!!! I'm from Norfolk. I LOVE that acronym!
I think what people say VERBALLY (not put into writing) should be taken with a pinch of salt. Some of the roles involving the vulnerable are very stressful. Sounding off or making distasteful (NOT bigoted, that is different) jokes is a way of dealing with stress.
I have many times stormed into a staff room ranting, 'That little f**ker! I'm going to kill him.' Then next lesson, I'm back to calm, ready to deal with his behaviour and needs because I've had a safe space to rant in. Yes, in front of my manager at times.
We are human. If someone is letting off steam, I feel it is unreasonable to judge them. IF they are passing this onto their students/clients/vulnerable people, that is entirely different.