The movie and the book have a passing resemblance. This is usual and should not surprise anyone. What amazes me is that Disney would put so much effort into getting and developing a movie with such an uncooperative partner.
I heard it was done the other way around. Pump up your muscles and take the "after" photo. Spend the next day eating like a pig and drinking to excess. Roll out of bed and take the "before" photo.
I used to be in the electronics industry. It amazed me that cities thought of it as a clean neighbor unlike iron foundries or pulp mills. It is a horrendous polluter not only because of the nasty chemicals it requires, but also because operators have the habit of pouring waste onto the ground. In other words, those tanks are not leaking.
I recommend that everyone try something like this at home. With skill and determination, everyone could be come a star.