Yes i agree, It is possible that bitcoin would be the main medium to control the entire economy because in our day bitcoin has almost control the economy of the other particular country but, we all know that in crypto world there are so many instances that could stop bitcoin such as the unstable price of bitcoin that could be the main cause of falling bitcoin.But technically, many people depends on bitcoin, they take the bitcoin as their main source of their funds. So, we expect that most of the people specifically bitcoin user would agree on this kind of situation.