The line for what gets you put on a list skews hard against AnCaps and Libertarians.

A group of Communist terrorists attacked the University of Wisconsin's Sterling Hall building with a VBIED and killed a janitor inside. They fled to Canada, were given a protected status so that they couldn't be returned to America and be potentially executed, and in the end, the worst fate one of them had was facing 7 years in prison. He lived in Madison, WI until his death selling hot dogs and being unapologetic that his act of terrorism was morally imperative.

A man who believed that Science shouldn't be paywalled walked into his University's server room and downloaded the entire contents of it's academic papers into a USB stick, then proceeded to upload them to a academic paper sharing site. He is currently sitting in a federal prison and was sentenced to 40 years.

A swath of the Weather Underground terrorist group have become college professors.

The guy who invented Silk Road was slandered as creating a site solely for the purposes of selling drugs, and has been hunted and prosecuted about as hard as Osama Bin Laden would have.

The government knows who is a bigger threat to their power, and it ain't the pinkos.