Very few people are professional poets. Writing something meaningful within a poetic structure is very difficult, and most of us don't even bother trying once we've left school. That didn't stop this restaurant giving it a try, though.
Perhaps they should have picked something other than a haiku, which demands a very specific syllable structure. They managed to fit their message inside that structure, but they weren't able to make it coherent. Stick to food, guys, you're probably great at that!