There were many people pointing out the dangers of consolidating so much power into the Presidency over the last few years but most of them were told to shut up with their paranoia conspiracies and racist rhetoric.
We're hearing about Repeal & Replace in January, maybe as late as March and voting has already started to lay the framework to allow passage with 51 votes in the Senate.
Trump may not do so, but the Republicans seem to want to dismantle Obama's legacy as thoroughly as possible, and blot him and the effect of his presidency from history like Akhenaten. There would probably be a political cost to pay if Trump didn't reverse it, just on principle.
I completely agree with you that there is no party affiliation with this, and to me that is the most concerning part.