Yes, it is crazy, in part because "the algorithm" (how i hate this term) really derives most of its power because it represents huge numbers of human beings making choices. The store clerk may have been an excellent recommendation engine for you, or they may not have been, but they almost certainly were not equally good (or bad) for most people.
Independent video stores are not so tightly tied to one distributor, so yes, a clerk that takes a few moments to hear what movies you like could point you in the right direction....even if that direction is to go a different store entirely.
-First the intersectional genres became harder to find, or create.
-Then the reviews were wiped.
-Then you see the same content you actually watched as recommended and often