Good points. So, overall, I guess an effective competitor is quite possible (given enough tons of capital and patience), but that capital isn't on offer because

Good points. So, overall, I guess an effective competitor is quite possible (given enough tons of capital and patience), but that capital isn't on offer because it would only yield a "competitive" profit, not a monopoly profit, and these days competition is for losers. (To exaggerate some. And I'm really ignorant about this. Thanks.)