That very much depends on the workplace. I was let go once for being 'slightly below average', because I kept foolishly spending the time to fix things in ways that didn't result in more bugs.

Are those people in an environment where they need to close tickets at any cost or else?

I've seen less capable people changing from slightly productive to incredibly destructive by changing that one variable.

I literally inherited a dev once that was so bad we vastly improved velocity once he left. Every couple of months we fixed a weird bug in the code he wrote and laughed about it. The middle manager loved him because we was very eager to work and always around