If you're at the point that you need 360 reviews (mind you that many companies do them but don't need them), because you don't trust middle management to not pl

If you're at the point that you need 360 reviews (mind you that many companies do them but don't need them), because you don't trust middle management to not play politics for themselves, then your company culture is already rotten and will not get fixed by doing 360 reviews.