You haven't proven that it's true in any case, not even "selected cases". You conflated CTR with user experience quality (rookie mistake) and then tried to say

You haven't proven that it's true in any case, not even "selected cases". You conflated CTR with user experience quality (rookie mistake) and then tried to say that the existence of ads throughout history somehow proves your point (lol?) The fact that you knew your point was ridiculous, and had to say "let the downvotes begin!" is just icing on the cake.