Times have changed. Technologies change. It isn't clear that just listening intently, and then photographing the board, helps you process the information as well as writing with your own hand. But it also isn't clear how much of our weaker processing when we don't take notes by hand is due to adapting to a new way of doing things, rather than something inherent.
Have you ever taken notes like this? Have you had a chance to compare your own learning, comprehension, and recall when taking notes by hand versus other methods?