Currently Bitcoin is more widely used for investment than for transaction tools. this is because the value of Bitcoin that rises rapidly and can provide benefits for us if trading it. but I am sure that in the future Bitcoin will truly function as the aspirations of Satoshi, namely that Bitcoin plays a role as a transaction tool.
what you say is true. bitcoin is currently better known as investments because not many countries already give permission to make the bitcoin as payment. so it is a little indirectly inhibit the function of the bitcoin payments.
yes, if I am bitcoin it is indeed an investment, and it has not been used as a medium of exchange, because in this country there is no allowance for bitcoin to enter ..