Agency critics are focusing their attack on an FCC decision to switch how it regulates companies like Comcast and AT&T. They argue the FCC went way beyond the powers laid out for it by Congress in what is essentially the agency’s playbook, the Communications Act. One obscure thread of this argument, though, claims that the FCC didn’t just misuse its powers, but that the consequences of its decisions actually stifle Internet providers’ rights to free speech.