Sure you do. ASML has a famous 100% monopoly on advanced photolithography machines, but I've never heard anyone accuse them of anticompetitive behavior - there'

Sure you do. ASML has a famous 100% monopoly on advanced photolithography machines, but I've never heard anyone accuse them of anticompetitive behavior - there's just nobody else who knows how to make them so well. I guess it's not how Visa works though.