Disagree. I've had the beta for a year and drive in NYC. It has been mostly flawless considering all scenarios it has to handle. It does make the occasional mistake but (1) it's a beta and (2) I'm responsible for monitoring and correcting it. Agree that those that expected more should be entitled to a refund if they so desire.
Ok but don't you have to weigh that against the potential of avoiding accidents by reacting quicker then you as a human can?
I have defiantly seen cases where FSD Beta stopped and the driver didn't understand instantly understand why.
Or simpler cases where the car follows a lane while the driver wasn't paying attention (adjusting the radio or whatever). Those can easily lead to an accident but are unlikely to if you are in FSD.
All the available scientific evidence suggests these systems diminish driver focus and attention which definitely makes them less safe since these systems can't be operated safely without an attentive driver.
I have seen some evidence bases on some limited lane keeping systems that suggest this. But not on systems that are as advanced as FSD Beta for inner-city with the same amount of forcing the drives attention systems.
Consider the possibility that you might both be right. Two people may have vastly different experiences with FSD, depending on the routes they take and other variables.