Great article Mary.  There are unfortunately far too many people in positions of leadership who don't actually want to lead. A promotion is often the only way to reward people who do great work but it does such a disservice to everyone.

Ultimately I think the way to avoid self deception as a leader is to recognize that your people - their attitude and performance - are a reflection of your leadership.  Then there is no where to hide!  But, of course, you have to want to actually be a leader vs operate purely from technical skill and positional authority!