Yes, articles like this are always full of comments denouncing the current education system and declaring, how much innovation there can be. One thing I am sure

Yes, articles like this are always full of comments denouncing the current education system and declaring, how much innovation there can be. One thing I am sure about those making these comments that they never ever had any teaching experience. It is easy to "innovate" when you have no idea about the realities and restrictions of the domain you are "innovating".