Why is it eye medication seems to be the market with the slimier moves? Sudden memories to when Allegran sold the patents for Restasis to the Awkwesasne-Mohawks

Why is it eye medication seems to be the market with the slimier moves? Sudden memories to when Allegran sold the patents for Restasis to the Awkwesasne-Mohawks to try to protect it with soverign immunity. https://en.wikipedia.org/wiki/The_St._Regis_Mohawk_Tribe_and_Restasis_patent https://en.wikipedia.org/wiki/The_St._Regis_Mohawk_Tribe_and...