Maybe they got some ninjas workin’ the hibachi.
Or maybe their customers are mostly liberals... Liberals who feel if they're 'non-offensive' - they're safer.
Same groupthink that 'feels' if we don't have weapons, a military, or police officers that the bad guys will give up, destroy their weapons, and pick flowers.
It's sweet - something like how a 14 year old girl might feel... not safe - not sane - but sweet.