Granted the story cites no sources of their own - only a news release from one Democrat on one committee of Congress that cites a OMB memorandum marked PRE-DECISIONAL NOT FOR PUBLIC RELEASE - but I would not be surprised.
Folks may dislike the thought of the ATC system being privatized, but air traffic controllers will be far better off 1) outside of the Executive Branch and 2) out from under the congressional appropriations process than we will be if we remained within it.