Final level

Weaponised incompetence

In my experience the people who think they need to do this are not as smart as they think they are.

Once people find out, you are really knowledgeable in some area, and they are constantly seeking advice, or rather validation for what they want to do anyway, because what they really do is sometimes the opposite of what you advised. It’s a good self-defense mechanism to act like you don’t know anything around those people, since it’s very annoying, and sometimes even painful because they do the opposite of what you said, and sometimes even blame you, for some reason, despite not taking your advice.