Actually there are no evidence about this yet . Some government banned BTC but also some support it
I'm not sure if there are some government that really support bitcoin. I think they just let bitcoin grow as long as it won't disturb the economy system of the country.
Also that a crime related news seems to be getting more attention from the people so that could be another reason on why media keep on exposing BTC with the bad news.
That's why I think there is someone or some party that using media to make bitcoin become bad to world people.
Mainstream media keeps spreading fud to Bitcoin so when people get in a critical situation like the Greeks are right now, they fear to put their money into Bitcoins and instead either leave them inside the bank and get them stolen by the gov, or leave them inside their houses in form of fiat or gold and get them stoled by other desperate Greek people and opportunistic vandals.
Yeah I haven't met any users from Greece yet here.