This is an important article, and not readily available on the net exept here (so far);
There is not nearly enough focus on this angle on the medical profession, and it is a BIG problem. In my country, 8% of the beds in hospital are occupied by patients admitted because of side effects of prescribed drugs.
The pharmaceuticals invest big in having charming representatives when they present their new product; always friendly, drilled in presenting their product in the most favourable way, even if this means downplaying evidence of another drug being more effective.
You have to be alert to arrest them during the sales pitch in order to get them to admit that they are twisting the facts. They never get embarrased when this occurs, and are obviously drilled for this eventuality.
The most probable explanation for the allocation of resources towards having manipulative/charming representatives selling their product, is of course that it works.
In my country there are now regulations against how much the pharmaceuticals are allowed to spend on doctors in order to sell their product, but still they try to invite to seminars and be the long lost friend you never met before.
This causes a LOT of unnecessary prescriptions based on poor evidence presented by yer charming big pharma representative, and is a problem that doesn' get nearly enough attention in the media.