(Yes, this is a little cynical, but) The distinction between Google making money from you vs. Google having you as a client seems to explain some of what happen

(Yes, this is a little cynical, but) The distinction between Google making money from you vs. Google having you as a client seems to explain some of what happened. But did they simply not see this sort of problem arising after their family ads? That's astonishingly short-sighted. Is this kind of problem widespread with google products? That is, could it be explained by a small number of bad calls from somewhere inside Google's innards?