As a personal anecdote, the quality of the recommendations I receive across the board has been roughly inversely proportional to the level hype around ML in the

As a personal anecdote, the quality of the recommendations I receive across the board has been roughly inversely proportional to the level hype around ML in the tech press and academia. C.f. Youtube's, Amazon and Netflix (products that bet BIG on recommendations) being incapable of recommending compelling material.