I strongly doubt this very statement of yours, because mere adopting Bitcoin as a legal in a country does not guarantee that it been the richest in the near 5 to 8 years from now, because there are certain things which makes a country rich and they include ( I.e Policy of government, available natural resources, good leadership) because there is a actual difference between hodling and using, and what El Salvador is doing is Using Bitcoin and not holding it. And for you to make much from Bitcoin, it is suitable for long term investment