Originally Posted by Grumpyoldretiredcop
Take note of who they are, resolve to never do business with them even if they do offer something they'll sell to CA (or NY or wherever) and move on with life. Not worth your trouble.
Better yet, find something you want to sell (a magazine would be a good choice), put it up on GB with a notice "if you have posted an ad stating 'no sales to CA' or anything similar, you can't buy this" and watch the fun. I did it on Arfcom and some of the comments were quite amusing.
Good idea... I'll make a point to do this in the future.
The truth may start to sink in if this message comes from somewhere like the Live Free or Die state.