Bitcoin has all the advantages of digital cash and allows one to be in control of their money. Although involves taking security precautions, it's what makes it such a good currency for the future.
Yes the advantages of bitcoin makes it most suitable and flexible payment system for almost all the sectors.
The gambling and porn industries growth are few example, how bitcoin contributed to those sector's development.
maybe develop various sectors that are difficult to do by fiat itself bitcoin provides excellent privacy advantages. and people will not know that you have great wealth. because people will not know your bitcoin address bitcoin provides benefits and advantages of highly sophisticated global currency