So many of the critiques of the book are that getting good at drawing takes time. Where did this idea that the book says otherwise? It is a start, the book tell

So many of the critiques of the book are that getting good at drawing takes time. Where did this idea that the book says otherwise? It is a start, the book tells you outright that you will need to work at it. Those impressive benefits to a complete beginner are what a complete beginner needs. That they can see there actually has been progress is what will allow them to move on and continue to improve via the needed work. Those improvements are not superficial to someone who has been told or convinced themselves that they can not draw.