Well you can goto any large library in the world and you will find a zillion books on Calculus. Part of the learning and developmental process is working out fo

Well you can goto any large library in the world and you will find a zillion books on Calculus. Part of the learning and developmental process is working out for yourself what is "good" and "bad". And that has a lot to do with what your background is and what problems you are using Calculus for. So I dont feel its a new issue. People who want something better learn to find it.