Meh. I did several AWS courses on Udemy at 1.75x speed, and did pretty well on the exams To me, that is reasonable evidence that video learning at speed works,

Meh. I did several AWS courses on Udemy at 1.75x speed, and did pretty well on the exams To me, that is reasonable evidence that video learning at speed works, at least in the short term Also, I suffer ADHD. I'd say listening at speed forces me to pay closer attention