> One is that A/B testing can only lead to a local maxima in the best case scenario. What you mean is: it can only lead to a local maximum in the worst case sc

> One is that A/B testing can only lead to a local maxima in the best case scenario. What you mean is: it can only lead to a local maximum in the worst case scenario. Even blind guesses can occasionally lead to a global maximum, and A/B testing is better than a blind guess.