People should already start using bitcoin because bitcoin will in the future probably be used by a lot of people and maybe even go inside shops to buy things.
Because bitcoin has been growing really fast lately and a lot of new investors came to join bitcoin.
Agree lot of new investor invest in bitcoin because it has a lot of potential and it has a future. Investor invest because it is really profitable. Just think in the future most of us using bitcoin to buy groceries and other stuffs and pay with bitcoin only and no need to count your money it just use the bitcoin