We will always need pharmaceuticals, especially for acute, catastrophic conditions treated in the Emergency Department and in The Intensive Care Unit. Dedicated Doctors, Nurses, and Therapists save people from certain death with miracle drugs designed for such conditions.
The problem is that many of those drugs, intended for acute conditions, are also used for chronic conditions that do better with TLC, Therapeutic Lifestyle Changes. In the latter setting the drugs’ side effects, and prices, do not have a satisfactory Cost/Benefit analysis.
If you would like more words here are great books on Big Pharma: