Yes, think being called uncle and aunty, family nicknames, by strangers is worse than being called "Ma'am," a title of respect.
If you work in a Pharmacy as a tech I'm surprised you haven't been directed to address people as Sir and Ma'am.
I am somewhat confused that you have "... decades [of] experience dealing with people that have BPD and NPD, so I do speak with some understanding - although I am still learning" (
https://www.askmehelpdesk.com/marria...ml#post2005718) when you are 22 years old - ?