Other lane-keeping systems do nothing but try to keep the car in the lane (and some do a poor job of even that). Autopilot is rock solid in this regard. Like "I now actually prefer road-tripping 700+ miles instead of flying" rock solid. (I never road-tripped in the past because driving long distances wipes me out. Not so with Autopilot.)
Navigate on Autopilot is also super reliable in automatically changing lanes and exiting highways, and works on highways that SuperCruise and BlueCruise Hands-Free do not.
Traffic Aware Cruise Control is rock-solid in detecting and acting upon traffic lights and speed limit signs, though some systems already do this. This used to require purchasing FSD (it was a $7,000 option when I purchased our Model 3), but now you just need Enhanced Autopilot to enable it (which is $6,000).
I can easily see people asking for at least a downgrade to Enhanced Autopilot (a $9,000 difference), and I don't blame them. For example, my wife would NEVER use FSD Beta in its current state, but she loves Autopilot and uses it all of the time.
Given that FSD is included in the final price of the car that is used for car registrations, I'm wondering how those refunds will work.