#2 is amazing:

But the No. 2 fear this year was one that was entirely new to the list: "Trumpcare." Just over 55 percent of the people in the survey ranked this as something they were either scared or very scared of.

 We have a new "3rd rail" issue like Medicare used to be. (I.,E. "Don't dare touch my Medicare, politicains") The GOP is going to suffer for all the uncertainty he is causing right his minute with health care. If he wanted to win this one for himself, he should have had a detailed plan from day one, like he purported to during the campaign. Didn't matter what it was, just as long as it wasn't chaos, which is what he is offering now. If there had been some kind of plan, people can then try to do something about it, either politically, or, if not poor, make adjustments in their personal lives. Businesses, too, got to have some certainty. There is fear in not knowing and knowledge is power.

Edit to add: I think #1 is related in this sense: politicians and the government will often screw things up for us with ill-thought-out laws and unfair enforcement. And you can't predict that, can't know ahead of time what they might do.