Because of the technology, which solves many real-world problems, and earning potential. This means that I buy bitcoin for my future and for a better economy.
Bitcoin is the best digital currency that has ever invented but it is not that easy because we need to convince the people to use it and show them the real value and benefits of using bitcoin, if we buy that is a sign of support and the more the demand will increase we will have a bright future ahead of us.
Yes and its really hard to convince people around us as they are not aware about the new technology and they hesitate in investing in their money in something which is totally new to them.