It's also got best practice votes so I interpret it as "a good combination of being maintainable and efficient but not something you would expect to see in production code."

Ali, the only notable aspect of this answer is it's verbosity. It's not clever...

check here please: https://docs.codewars.com/getting-started/solutions/#clever

Clever doesn't necessarily mean best practices. I once saw a solution that was worded in the longest way possible (like, absurdly long) and it got clever because most people got a laugh out of it, lol.