No, guangxi isn’t even technically a province (another weirdness), but having been to guangxi a few times (Guilin, Liuzhou, and Nanning), I don’t think anyone thinks much of it beyond it’s beautiful karst and southern culture. Anyways, there is actually a wiki article on henan: https://en.wikipedia.org/wiki/Anti-Henan_sentiment
No, guangxi isn’t even technically a province (another weirdness), but having been to guangxi a few times (Guilin, Liuzhou, and Nanning), I don’t think anyone thinks much of it beyond it’s beautiful karst and southern culture. Anyways, there is actually a wiki article on henan: https://en.wikipedia.org/wiki/Anti-Henan_sentiment