In practicality, everything you said is correct. Politically, however, the burden of proof is on the new technology as if the old technology doesn't exist or is

In practicality, everything you said is correct. Politically, however, the burden of proof is on the new technology as if the old technology doesn't exist or is completely safe. The old technology has the political support of anyone who makes a living driving, despite the dangers and drain on public finances. That's the hurdle we need to get over and it might just need to take until this protected class is replaced with the new technology via attrition.