People will still find ways to circumvent this ban. In many countries weapons and drugs are prohibited, but they are used. The same will be with bitcoin.
Don't place bitcoin aside this illegal activities. People despise weapons and drugs when they are banned in our country, they are strictly prohibited because it can kill and hurt people. Bitcoin differs from these illegal activities way more, it depends upon how you use bitcoin because it is free. Bitcoin helps a country and it can't be that bad to use it not ban it.