What they threatened is Doxxing, in a way. A person's name should be viewed as personal information when they post with the expectation of privacy. The internet loses much of it's power to foster free speech if you have to worry about the potential of anonymous speech being attributed to you publicly. Obviously there were always risks, but for a media company to publicly take that into their own hands crosses a line.
It's those college students I'm most apt to protect. Everyone says we need to get all these masses of students ready for STEM jobs, but in order for inexperienced workers coming out of school to get good jobs there has to be some pressure on the market so employers are willing to take risks and invest in people. We owe it to young people to protect the market we are so busy telling them is their best path to a future.
What this country needs is a good five cent microcomputer.