"A YouTube video, nor an app, doesn't go through the steps of solving a problem with you, and watch how you do it to give you constructive criticism."—neither w

"A YouTube video, nor an app, doesn't go through the steps of solving a problem with you, and watch how you do it to give you constructive criticism."—neither will 99.9% of teachers. Most of them out of sheer incompetence, impatience, and general inadequacy to be around children, some due to the fact that there are 30+ children in the classroom and they literally don't have the time and energy for that kind of effort. I am not speaking about American schools with 25K+/year tuition fee in NYC, I am speaking about teachers in a general classroom in Punta Arenas, Chile or a general classroom in Kruševac, Serbia.