The point of having advisors was supposed to be that they would help the elected person make up for lack of knowledge, but it doesn't seem like that pans out in reality. Either the advisors are just as lost, or they are largely ignored.

The need for good advisors is a major point in Sun-Tzu's Art of War.

Surround yourself with good advisors and the surrounding kingdoms will notice and be less inclined to attack. If you have bad advisors, your enemies will perceive that as their opening

Or they are corrupt. Corrupt advisors are as old as civilization.