"This absolutely chills speech; public groups must now censor the actions of their individual members or find themselves liable legally for their ostensibly protected 1st Amendment rights."
If the admin hadn't joined in an official capacity handing out flyers, canceling contracts, and posting libel to their own website there would be no case about the students protesting. Workers are still free to do this on their own time, but the second they do it as a part of their work, then the public group should be held responsible as that group has now made a public policy decision.