It's just burger wabi sabi.
Having food askew is probably messing with the eater's qi.
For a deeper look at this philosophy of craft you won't do much better than The Beauty of Everyday Things, by Soetsu Yanagi: https://uk.bookshop.org/p/books/the-beauty-of-everyday-thing...
It's just much more visually interesting than a page full of perfect burgers. Each one looks like a unique thing from the real world; they don't "look AI", as the kids say these days.