That's a scary precedent... Sure, similar things have been done to prevent visitors from attacks, but this is at best a platform for expressing criticism and at

That's a scary precedent... Sure, similar things have been done to prevent visitors from attacks, but this is at best a platform for expressing criticism and at worst a sleazy shakedown of the companies being criticized (not the visitors), and to my knowledge the anti-phishing/malware warnings haven't been used to merely oppose competing interests or stifle ideas.