Yes, there is.
You can debate the exact figures/circumstances, but the numbers are good, and improving all the time. Humans are just not very good at guiding tons of metal around at high speeds, which isn't very surprising when you think about it.
One accident for every 4.34 million miles is already pretty good (compared to 500k miles for humans) - if it were rolled out today across all cars it would probably save thousands of lives in the US. Yes these quarterly numbers are in the best conditions and supervised, no that doesn't invalidate them, particularly as they show dramatic improvement at the same time as they keep expanding the conditions in which autopilot functions.
There will always be a long tail, but computers are getting very close to good enough for highway driving, known truck routes, and known taxi routes.
https://electrek.co/2019/10/23/tesla-autopilot-safety-9x-saf... https://www.tesla.com/VehicleSafetyReport?redirect=no