Yes, it's called politics. As for DACA, that's part of my evidence too. They've been saying that stuff for awhile now and yet I'm seeing reports of deportations of whole house holds and preparation for reuniting children with their parents.
Your 'evidence' is to put the best possible, and most hopeful, interpretation on every action Trump takes, or does not take. You'll be right about some and wrong about some, and it remains to be seen how many of each.