Nothing to apologize for - the conversation happened in a different magazine. I’m confident there are other places where the idea has been discussed before that one, too. all good, friend /u/cloudless!
/u/gus is right - ‘kbeaner’ contains a loaded slur: https://en.wikipedia.org/wiki/Beaner one thats been around for a long time. It is not one I was aware of until recently.
Metafilter continues to have nuanced analysis. https://www.metafilter.com/199733/Armed-Mutiny-in-Russia