the point is that many doc's are over eager to pills as the answer and dont consider environment.
its common throughout our society to look for quick easy fixes.
There are a number of other considerations. A proper diagnosis and treatment process should continually look to uncover co-existing and contributing factors. Some of them include sleep disorders, depression, food allergies. But it should never be looked at as an either/or equation. Many times things co-exist and improvement in one area may lessen overall symptoms or certain symptoms but it doesn't mean they have found the one true problem.
Too often, the professional is merely concerned about behavior. I believe that most ADHD children can be taught to behave even without medication. The issue for their ability to learn isn't changed yet the outward behavior seems normal.