Yes of course Bitcoin is a problem solver. It solve many person problem of people and public problem of a country. Bitcoin become the financial backbone of many middle class family. It help people to overcome their financial crisis. In many countries it help to reduce unemployment issues. Bitcoin mainly solve the banking related problem of many people. Many people doesn't have a bank account so Bitcoin help them in transaction.
It also help  people to get out the long processing system of bank and also change a low transaction cost. And people can use bitcoin anytime anywhere.