I Am So Annoyed

I’m 80% deaf , but I live a reasonably normal life with the aid of hearing implants and I can read most lips , and I have dome heightened sense of my environment , including in my work as a “ lecturer “
But today I was as At a well know market in the uk , and was have a few issues with a manager on a till , when I asked if I could see a breakdown of my bill as I questioned it regarding an offer , he got stroppy and eventually abliged me , but before I left the store he said “ I think it would help you and Our staff if you wore some kinda of ID , to show you have a disability , wtf .
Never at any point in our conversation was my hearing a problem , and tbh it rarely is