Yes, the ability to control the currency and who people send money to is powerful and can be used for good, but often isn't. Just look at Venezuela, Zimbabwe,

Yes, the ability to control the currency and who people send money to is powerful and can be used for good, but often isn't. Just look at Venezuela, Zimbabwe, or all the other nations that inflated their currency out of existence or used it to fund genocides. Perhaps nations would be less likely/able to do things like this if citizens were able to flee without leaving behind their life savings.