A growing problem in literary scholarship is the stranglehold some estates keep on their inherited authors, for example not permitting more than the briefest of quotes to be made without exorbitant payment.
The promotion of Prozac, the antidepressant which became a cult "happy" drug in the 1990s, coincided with the decline of state funding for research, leaving scientists in all areas of medicine dependent on pharmaceutical companies to fund or commission their work. That in turn gave the industry unprecedented control over data and ended with research papers increasingly being drafted by company employees or commercial agencies.