Banning bitcoin is free more advertising. Everybody is going to want to know what the government is afraid of. Usually the ones that ban it are in the countries that need it most.
The more they restrict it , the more the people will be curious and will think of using it. This is somehow the government not to focus to . There are lots of issues in every country that they need to focus more so banning often in countries are not appropriate to do so.
We can see that is exactly what is playing out in China and Russia, they toyed with banning of bitcoin, but it turned out the people rather embraced bitcoin the more. Awareness of bitcoin and the technology behind it, is an eye opener on many salient issues and no one comes into the truth and goes back to lies and pretense. One thing is certain, bitcoin is a true global currency and at no time will all the governments of the world come to an accord to ban bitcoin, some will always differ.