But this is the power of bitcoin right? Now I can live in South America and get near-instant (crypto)currency transfers as well.
In fact, among the interesting properties of Bitcoin, I'd rate transaction speeds as the least relevant - chiefly because network throughput and transaction speed is actually pretty poor if you compare it to what is achievable with classical tech.
This is one of the reasons crypto is a great solution though. You don't have to rely on institutions for the infrastructure.
I agree that there's no technical reason. For example, "crappy infrastructure" is an economic reason why fast bank transfers wouldn't work. I'm evaluating bitcoin as a political/economic tool.