They're telling us that we don't own our cars, and especially don't own anything the software on those cars does. And then they blast #infosec far enough out the window we get to nuggets like:
❞Still others targeted fleet management software for emergency vehicles and could have even prevented those vehicles from starting, they believe—though they didn't have the means to safely test out that potentially dangerous trick.❝

Corporations are completely irresponsible stewards of hard- and software.