Having the NTSB certify updates isn't going to increase safety. The accepted approach to safety as set in ISO 26262 largely focuses on making sure that the proc

Having the NTSB certify updates isn't going to increase safety. The accepted approach to safety as set in ISO 26262 largely focuses on making sure that the processes in place via which the software and hardware is designed, created and modified. The reason you wouldn't get regression if you were interested in FuSa is because you'd have a process in place to ensure that software can't be distributed without being tested and a process to ensure that bugs are included in the test suite. It's quite clear in this case that Tesla doesn't have an organisational structure that fulfills the requirements for functional safety.