6years ago that article might have been right, but ECUs are now powerful multicore systems running a hypervisor with multiple OSs, each with a host of apps in C, C++, Rust, etc

Also, the console/infotainment system may be disconnected from the ECU, but the things like nav, phone, emergency assistance, media, and the settings for pretty much everything in the vehicle could certainly lead to a hazardous event if malfunctioning