We need it since we need cash money. Bitcoin is better because is decentralized and do your thing in your own way.. You don't fear of going into the bank and be waiting for your own money. Bitcoin can be used without monitoring account because you are the owner of the send bitcoin no need to money transaction or asking.
I agree to you bud. Well obviously we need bitcoin because on it's capabilty and the importance of it's usage. Also, it really helps to each and everyone of us for the financial aspects as we have our daily consumptions in life. I believe that bitcoin will still exist for the long period of time and may continue to help us here in bitcoin community as well as crypto currency community.