Why would we not? If they were so effective, their effectiveness would be apparent, inarguable, and those making use of it would advertise it as a demonstration of just that. Even if there were some sort of social stigma against it, AI has enough proponents to produce copious amounts of counterarguments through evidence all on their own.

Instead, we have a tiny handful of one-off events that were laboriously tuned and tweaked and massaged over extended periods of time, and a flood of slop in the form of broken patches, bloated and misleading issues, and nonsense bug bounty attempts.