A: those that 'retire' regularly, usually announced in advance on the profile
B: those that actually retire
C: those that don't understand the word.
D: one or two that mention it in passing to regular customers as a courtesy.
I think it's a strange question and maybe even suggests the OP is hung up in a particular WG. It's a shag-hole. Get over it. (Not to mention it's none of your business once she does actually retire) It's like "has anyone bought a pint of milk from a grocer just before it shuts shop'" ...except a grocer retiring might be more interesting.