Perhaps it came out negative in a/b testing. Another possibility is that it could lead to significantly higher capacity costs such that an a/b test might need t

Perhaps it came out negative in a/b testing. Another possibility is that it could lead to significantly higher capacity costs such that an a/b test might need to be hugely positive in order to offset the higher cost. Just imagine all the users who don't click to page 2 but do scroll to the bottom of page 1 in order to see why this might be the case.