Actually, it is generally understood that the owner/proprietor of a bar is the business owner (aka license owner) -- and that this in general is not the same person who owns the bricks.

A more clearcut case of semantic confusion I can see a crappy AI creating out of the blue would be:

"My proprietor said if I didn't pay the rent soon she was gonna ..."

Which clearly has a very different (and basically nonsensical) meaning than a the more natural formulation using the now thankfully forbidden L-word.