You don't seem to know much about gov financial regulation.

1. Gov didn't embrace bitcoin, they regulated it. The exchanges have to do KYC and AML monitoring and report activity.

2. If you think FB doesn't 100% control it, I have a bridge to sell you.

3. This doesn't really mean much at the end of the day. It's a tactical decision with low impact on regulations.

What you're failing to appreciate is how important it is for governments to control their financial operations. They don't make it hard just to make it hard. They make it hard because if they don't criminal activity will flourish.