I'm not in the industry, but I've read a lot about how drugs get to market and this sounds valid. It takes a LOT of time and money for a drug company to get to the point of knowing how safe and effective a drug is in humans. That's pretty much the last step of drug manufacturing.
By the time a company has spent that amount of research effort and money, there's no way they'd just abandon a drug because it isn't rent seeking enough. Businesses want to recover whatever investment they can.
By the time a company has spent that amount of research effort and money, there's no way they'd just abandon a drug because it isn't rent seeking enough. Businesses want to recover whatever investment they can.