Exactly. Years ago, one company I was at proposed we start a bonus plan based on lines of code. I wrote a script that inspected the RCS commits (it was years ago) and generated a report that showed that most of our best developers were net negative lines of code.
1.) When I am stuck on hard problem, he is a good bet for help.
2.) History: was assigned tasks or project multiple people failed previously and was first to succeed.
3.) Tasks and projects assigned to him/her move with reasonable speed, does not need handholding. When other people take over, they don't complain all that much and are able to continue without encountering major wtgs.
