One has to be careful playing with BoP. Ideally, it should level the field a bit, like it does in GT World Challenge. But in FIA championships such as WEC and WTCR it's often horrible, and it swings considerable advantages each round. For example in WEC, it often led to Ferrari being clearly the better car in rounds 1, 3, 5 etc. and Porsche being clearly the better car in rounds 2, 4, 6 etc.