[fxtentacle]

Because they are willing to take the risk of publicly being wrong.

Committing your source code to the company git makes it very easy for others to point at you later, if things break. And it's pretty much impossible to undo once someone else has pulled your change.

In my opinion, many top performers are simply people who do what needs to be done, and when it's needed.

[bavuy]

These types often protect themselves and their clique with a CoC that effectively prohibits criticism from people who care about correctness and a lean code base.