I took that to mean, not everyone who is provided a corporate device can afford a separate personal device and plan. I've never heard of a corporate device coming without a plan paid by corporate.
Agree that corporate devices typically come with data plans. I took the $100 bit as a reference to the Lyft situation, where she was required to load a bunch of apps onto a mobile phone, but wasn't given a work device. So she bought a dedicated device with a one-time cost and apparently paid an ongoing monthly fee as well.