My government decide to ban bitcoin because it can damage my local currency flow and for money laundry attempt that my government really against with
But every government have their own policy in order to protect people from bad things.
For who legalize bitcoin doesn't mean that they are not against bitcoin, but they see bitcoin in different side.
In short this thing do really signifies that each country do have different system of government. Decisions would be made on a particular thing specially on bitcoin would really be also different. Some may adopt or consider but most of them will surely ban or prohibit by the use of it because views and opinions would really vary depending on their countries situation or status when it comes to circulation of funds.