It'll be a few years before we have definite data, but back in 2018 there was reason to think that the number of driver fatalities per million vehicle years was significantly worse in teslas than in comparable cars. https://medium.com/@MidwesternHedgi/teslas-driver-fatality-r...

Some luxury car models have incredibly low driver fatality rates regardless of cruise control activation. Just the fatal stories I've seen reported on hackernews take tesla out of the top bracket for safety.