You can't just go updating critical safety software on a driverless car remotely all the time. Each update will need to be tested and approved for safety for e

You can't just go updating critical safety software on a driverless car remotely all the time. Each update will need to be tested and approved for safety for every vehicle it needs to run on. Also companies will understandably be unwilling to share their data with competitors, and the data is probably not translatable between companies anyway.