Why people should use bitcoin, because it is easy to send and receive money from all over the world, no need for iban no need to pay additional fees to the bank so it made our life easier.
People should use bitcoin because it is a very helpful digital currency. It can help one's need financially and we never know we will be needing bitcoin in the future
Yes you are right many people use bitcoin because bitcoin is very helpful currency for them and if those people have financial difficulties they earn bitcoin and spend it for us and solve the financial problem from the help of bitcoin, and you are right in future bitcoin will give us very profit and also fulfill our needs.