Examples of countries where this is happening is Zimbabwe / Yugoslavia / Venezuela / Hungary ...where they are struggling with hyperinflation.
Yugoslavia has not existed for 30 years, and you claim that they are doing something with Bitcoin there? Furthermore, what kind of hyperinflation are you talking about when it comes to Hungary?
The US Dollar is still powerful even with Bitcoin in play. What could happen is that developed countries back their currencies to the value of 1 Bitcoin. If they did it with Gold, they can do it with Bitcoin.
You still dream about things that are practically incompatible, because gold has been there for thousands of years and has nothing to do with Bitcoin - it is essentially a threat to the current system, not a solution the way you imagine it.