Pinsof says companies facing such legal threats would have little incentive to defend the free speech of their users if it helped them avoid litigation. “We’ve seen over and over in different contexts that platforms are vulnerable to censorship pressure because they’re afraid of being sued,” says Pinsof. “So it’s easier to take stuff down than it is to potentially open yourself up to liability.” 

Other parts of the law might not be so powerful. One part would require ISPs to “make every reasonable and technologically feasible effort…