Possible issues with your ideas:

- false numbers, similar with Tesla PR where they use bad statistics to prove their system is safer

- too general statistics for your situation, say car X is safer then human globally but locally in your region humans are much safer, will you send your children with car X where is probably not safer then average human(including drunks, teens and tired people)

- say car X is super safe, so you allow them to kill some people deliberately because they saved lives, so CEO of X hates people from a specific group(say gun owners, or teachers, or developers) so he decides that on 13 every month 666 people will be sacrificed