I used to work with someone who now works at Google. He was the sole lead for a project that he absolutely butchered the code before bailing out. I was left to

I used to work with someone who now works at Google. He was the sole lead for a project that he absolutely butchered the code before bailing out. I was left to clean up the mess which took many months and then continuing to finish the project to completion to the satisfaction of the end customer. I can certainly say he was not 10x programmer but perhaps he found some niche role there that he can contribute towards.