Their mere enactment, the rhetoric with which he sells them, and the very real uncertainty about what move the government will make next, is more than enough to effect drastic damage. Who wants to invest, in a political environment like this?
I feel like it is a bit more about the economic environment. Democrats, independents and moderate republicans seem to be supporting Obama and his decisions. It's only the more conservative half or 2/3 or whatever of the republican party that seems to see these measures as bad. Truthfully it kinda makes the republicans look bad...