Again, in 2013/2014, no talks/recommendations about privatization were allowed to happen, per our constitution.
“Leaders of the U.S. air-traffic controllers’ union and a private-pilot lobbying group, once fierce opponents of taking control of the system away from the Federal Aviation Administration, have endorsed talks on other ways to manage and pay for aviation safety.
“There are conversations taking place among the stakeholders,” Gerald Dillingham, civil aviation director of the U.S. Government Accountability Office, said in an interview. “All things are on the table, including privatization or corporatization.”
The MAC report specifically says there was unanimous consensus that ATO should be removed from the FAA. This was in January 2014. In 2013, the MAC sent letters to Shuster urging reform.