US laws don't really work like that, rather than argue the unreferenced article, i will give you what is known in law school as a hypo.

Let's say you are plotting illegal activity, to rob a US bank for instance, under the above theory all I would have to do is run all communication through a couple of iPhones, you know plans, dates, times, routes, all the specifics you would need to pull off the heist, and let's say we get discovered before, during or after the crime, to erase all evidence we simply jailbreak our phone, or report it stolen and Apple unwittingly becomes an accomplice to covering up a potential or actual crime? Apple has a staff of attorneys, and the company has deep pockets, but once the flood gate of litigation opened on this, someone in the R&D and legal folks are going to lose their jobs and maybe go to federal prison. I would like to see the reference on this one