I wonder how the outcome of education will change with recorded classes in YouTube or things like Coursera, brilliant, Khan Academy in the long term. Self learn

I wonder how the outcome of education will change with recorded classes in YouTube or things like Coursera, brilliant, Khan Academy in the long term. Self learning with the pandemic, stoped being optional for most children. One of the main bottlenecks I've seen in classrooms, it's teachers to finding a balance between students who understand the lecture, and those to shy too say they didn't get anything at all. The possibility of pause and repeat a lesson, I feel it's underestimated