[technoir]

The article makes a great point, it's not necessary to be technical to be successful in technology management. Also you should be proud of your strengths and the contributions they enable you to make rather than focus on power psychology.

I would also agree with the author that a technical background helps.

It seems to me that without a technical background it's possible to make an incorrect appraisal about problems with tecnical projects.

For example, the product is incorrect or late. Why?

As a manager you need to determine a belief on why things are problematic and how they can be improved.

There are a lot of possible problems. If a non-technical person gets this incorrect it can have very negative consequences. It's a minefield that is typically, though not always, better traversed by people with technical skills.