I think the patents on chloroquine are long expired so won’t yield large profits for the pharmaceutical industry. Given the regulatory capture of the FDA in the US, my cynical side would not be surprised if lobbyists find a way to twist things toward the favor of more profitable drugs.
There are always vested interests and people with a financial stake, though I was talking about something much lower-level.
A number of zero-medical-experience personalities have become mini-celebrities with their boosting of it. For those who saw the movie "Contagion", their behavior is shockingly similar to the Jude Law character and its boosting of Forsythia. Some of these people are active on HN, and it's amazing how often absolute trash science is heralded like it's some suppressed truth.
A few days back Trump was retweeting one such huckster. A guy who has repeatedly tried to recreate his own Wikipedia page (to be deleted again for non-notability). Who has a pretty standard hustler-and-exploiter bio. Now he's claiming that he's at the forefront of "working with companies" to get this magical treatment to the streets. It is deplorable.
