Certainly, each "trait" we posses has their negative and positive qualities. Novelty seeking can be a great means of making life interesting but if unrestrained and unguided, it could lead to self-destruction and criminal behavior.

I never always view things in simple terms as you did here. Things always has 'complications' and subtleties that makes them defies logic. Trying to simplify them only makes understanding them more difficult. Just take them as they are.