I 100% agree that their business is operated extremely well and delivers lots of value.

I am just saying that in my opinion, society would be even better off if this industry wasn't controlled by a cartel and i pointed 2 examples of how.

One difference between this and turbines, is that payment networks are sitting at the heart of the economy of countless countries. Turbines have a very different risk profile, much more modest and localized.

Russia was for example cut off from high-tech maintenance contracts but has been able to deal with it by manufacturing their own replacement part + there are maintenance cycles and spare parts so any disruption in service is not immediate unlike payments.