Earlier quoted context omitted.
Perhaps it would be worthwhile to understand the system you're criticizing a bit better before moving ahead and criticizing it
Perhaps. If you feel you have an understanding of the system I'm criticizing, why not help me understand why it has to be this way? I get it if you don't have the time or inclination to do so, but surprisingly I'm actually really open to learning new things and it would be appreciated not only by me but by other people reading your comments if you could explain the current system, perhaps other systems that have been…
The problem is generally that public funding accounts for extremely small amounts of the funding that it requires to take a drug to market. I didn't lookup any numbers for this, but I would guess it's very rarely above 1%.
The government could try to claim some share of the profits from drugs derived from research that was partially grant funded, but that seems logistically very difficult and not worth it. The government already gets a share through various taxes anyways.
The purpose of public research is to encourage innovation, which in turn benefits everyone. Private companies usually have no incentive to make any of their research public which can lead to many places repeating the same things.