Most owners of bitcoins who buy coins from miners, deep down hope that the rate will rise unexpectedly and there will be an opportunity to sell crypto currency profitably. This is one way how to earn with bitcoins.
How many countries in the world have regulated bitcoin so that bitcoin is used as a means of payment in these countries?
It is not because most people just want to use bitcoin only as an investment, most people do not have another option because in their countries the government does not have laws that allow the use of bitcoin as a means of payments