Why make it illegal if you could just regulate it and get taxes from people who make money with Bitcoin?
That's a whole lot of revenue for the government that they would be missing out on if made illegal.
But Bitcoin is actually also illegal in a couple of countries:
https://atozforex.com/news/top-countries-where-bitcoin-is-illegal/There are too many people get really hard then government take them some cash because they get more money than others.
I think youre right that it is not good to be legalize bitcoin from some country or they can control people from using bitcoin.
It is good when they legalize bitcoin then they don't care on what happen to this or they don't create anything negative about bitcoin.