Going to school and reading up on how and why we got where we are...?

Some people (particularly criminals and oligarchs) might not like them, but most of the structures around financial movements exist for very practical reasons, often stemming from the will to uphold the rule of law. Obviously nothing is perfect (the US have an excessive level of control, VISA/Mastercard are de-facto monopolies, etc etc), but one cannot seriously think that the way to fix things is to reimplement everything from scratch in a wild west of shady unaccountable operators...