TL;DR: Comcast isn't threatening to cut off customers who use Tor.<p>"We have no policy against Tor, or any other browser or software. Customers are free to use their Xfinity Internet service to visit any website, use any app, and so forth," said Comcast.
The actual title is "Comcast Denies It Will Cut Off Customers Who Use Tor, The Web Browser For Criminals"<p>The only organization that is moving against Tor is Business Insider, putting "The Web Browser for Criminals" in an otherwise non-story.