Trying to have their cake and eat it too. As Ro pointed out, vote with the people or the lobbyists, choose one. Congress is waiting to see how the people will react to Trump's EOs and policies before they commit to anything. They don't want to commit now and run the risk of approval numbers tanking. WE can quote all of the numbers we want and it doesn't matter to Congress. They would sell their moms into slavery if it meant they are re-elected.
They'll give up some sound bites and sort of sit on the fence, but go on the official record with a vote? You can walk back a sound bite, you can't walk back a vote in the House or Senate.