I can imagine that some people might be sensitive yes. Especially ones with that sort of command of the English language or how some unknown slang might be used. Context matters, the term in itself when properly used is not offensive or a pejorative.If you can't imagine why referring to a town as "unimportant" might be seen as a pejorative, I can't help you
Some light reading explaining it.
Backwater vs Podunk: When To Use Each One? What To Consider
When it comes to describing small towns or rural areas, the terms "backwater" and "podunk" are often used interchangeably. However, there are subtle
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With that context in mind and how Brihard used it I fail to see why one would be offended. It can be, but not the way it was presented.
Like I said, never heard the word used before.