Don't you think the data from Tesla's computers on wheels could be more accurate than the second hand data (accident occurs, is written down, then provided to t

Don't you think the data from Tesla's computers on wheels could be more accurate than the second hand data (accident occurs, is written down, then provided to the government agency) used by the NHTSA and other researchers. Surely there is some loss here in unreported incidents that Tesla would not lose, making the NHTSA reports actually better than the reality potentially.