I'm genetically obliged to post this

Just so you don't think that I'm being plainly racist here, my British heritage makes me genetically obliged to post this. It's something I can't avoid, I was culturally committed from the moment I saw it. Here's a Chinese taxi driver with a no holds barred approach to his work:

refuse to carry frenchmen and dogs

I'd love to know just what his experience was that caused him to have that sign made up. You can only assume that it wasn't a single incident either. Or if it was a single incident...