Where is the line between being a Karen and being a customer with a legitimate complaint for you?

libsaretards
Is it the nature of the complaint, the manner the person presents the complaint or a mix of both for you?

Side note: Mods, Not sure why Education and Career was the suggested section for my questions so feel free to move it where you feel appropriate.
Where is the line between being a Karen and being a customer with a legitimate complaint for you?
4 Opinion