My only experience playing a guitar was using a borrowed instrument and it hurt my fingers. So, I purchased one for me and one for my teen daughter and she got pretty good. My fingers still hurt on my own. Then I bought her an electric guitar and she got better. She sold hers and mine and her mom moved her to Hawaii.
My problem with Akstar is his left hand. How can he touch strings and get music? Why when he has his left hand almost stationary can his guitar make different sounds, high and low, hand not moving? If he does it AI, how can he teach others to play? Study his techniques.