He's actively making moves against investment firms which is inevitably hurting the bitcoin industry as well. He may have overlooked the welfare of small-time investors like us which could definitely kill off the hope of bringing investment to the common people. Then again, this is the sad reality.
Why do so many people feel that US is the only country involved in the manipulation of cryptocurrencies like BTC etc? There are many other countries involved too people which is why the President of the USA(Whoever it is) is not solely responsible for BTC volatility.
A correction was always expected after the recent bull-run and the tax gain proposal was the driving factor for it plain and simple.
Bitcoin has huge traction here in the US. Truth be told, aside from Nigeria, you would see bitcoin being operated in America itself. That's why regulations like this, affects bitcoin in a very impactful way. Although of course, the possibility of the correction coinciding with these news and issues is there.