Fuzzy logic, an approach to decision-making under uncertainty, did not gain broad adoption because of limitations in practical use.

“Fuzzy logic was an abstraction for basically like...”

“Decision making under uncertainty, which never really took off, because it had some like limitations and like actual usage. For instance, like the reason we use like let's say Bayesian inference instead of or like probability theory in general over fuzzy logic is because fuzzy logic has an un-nice property”