I
think, but I could be wrong, that the Bartender title is not actually tied to the Bartender Scavenger Hunt (found in people's profiles, and I'm pretty sure Lucian found), but is still tied to the 30 post requirement mentioned in
https://coderanch.com/wiki/659904/Saloon-Titles
Greenhorn
When you first sign up you are automatically given the rank of greenhorn. You have to earn the title of Ranch Hand!
Ranch Hand
After your 30th post the forum software automatically upgrades your rank to that of Ranch Hand. This is the last automatic rank change.
I'd be interesting to figure out what's causing this, because Bumper Stickers used to be available to everyone.