“Under the same legal theories advocated by the government here, the government could argue that it should be permitted to force citizens to do all manner of things ‘necessary’ to assist it in enforcing the laws, like compelling a pharmaceutical company against its will to produce drugs needed to carry out a lethal injection in furtherance of a lawfully issued death warrant, or requiring a journalist to plant a false story in order to help lure out a fugitive, or forcing a software company to insert malicious code in its autoupdate process that makes it easier for the government to conduct court-ordered surveillance.”
Source: Apple fires legal salvo at FBI for using All Writs law in iPhone brouhaha • The Register