Directly that the investment in bitcoin is so profitable that people are interested in investing and trading.
Yes that is true. Bitcoin has so much potential like gold, copper, gas, and other currencies that people are into it mostly for investing. While many of us here are for earning it because we need an income. Unlike some others who were already have money they use it for investment.
Obviously using bitcoin for investment is a big step in controlling and managing finances.
Because bitcoin is the best investment today when compared to other types of investments. And it seems still worth investing in bitcoin at this time because given the price of bitcoin is relatively unstable.