people like to invest on bitcoin for the reason that bitcoin price is liable to change rapidly and unpredictable it also change every single minute which can give them a quick result of their investment.
I think people should invest in bitcoin because bitcoin can help them to be rich and to be successful even if they spend money to invest on it the money that they spent will be double or triple it because they can earn money by just investing to it. My friend is a investor here and he can prove to you that investing is the best way to earn a lot of money in bitcoin.