What Is One of the Most Common Leadership Traps?

I'm trying an experiment. I've come across a service called Lumen5, and am looking at creating videos to highlight the primary lessons from previous blog posts. What do you think? Helpful? Too Long/Short? Too generic?

I greatly appreciate your input.

The first video is based on this article:

http://www.c4-elt.com/2015/09/a-leaders-most-common-mistake.html