Central banks and financial institutions, also to all the countries USA depends on for goods they don’t produce anymore.

Not sure what you're trying to say here. Countries producing stuff the US stopped producing are profiting from a bigger market share?

Mallers cited Triffin Delimma.

I‘m willing to accept that reserve currency status might also have some disadvantages, but if it is so terrible, why are people migrating to the USA to work and not away from it?