Those who fail to learn from history
The automotive industry is still relatively new to both application management and security issues, comparatively speaking, and is certainly working hard to address issues as they arise.
When will the automotive (and other IoT things) learn from previous experiences.
In the past criminals used to target for armed robberies. As banks got smarter and improved their security the criminals moved on to easier targets (Service stations and Liquor stores) so these upped the ante.
Cyber criminals initially targeted the banks because they were "soft". The banks learned and hardened their Apps. Now that there are new, easier, targets and the criminals will over time change their target. It is only a matter of time before the hackers attack "insecure" Apps on other platforms.
I wonder how long before the first ransomware app to hold a car hostage appears...