So this implies that the articles blame on greedy drug manufacturers tweaking formulas to keep patent protection isn't really correct since they have made progr

So this implies that the articles blame on greedy drug manufacturers tweaking formulas to keep patent protection isn't really correct since they have made progress in actually improving the drug. Not to say there is no greed here, but our policy has been that if you do the work of making a new drug, you get to charge whatever you want for an extended period of time. This is the result of the policies we have chosen.