To my knowledge, Tesla firmware does NOT check or care how many occupants are in the vehicle. It does however warn if a seat sensor is triggered and the corresponding seatbelt is not fastened.
Use or avoidance of toll roads and HOV lanes are preferences that can be set for the navigation system.
The real reason the hacking group is mad at Elon is that their main assets are in bitcoin and stupid bitcoin traders are overreacting to Elon's tweets.
You apparently missed the fact the data was from 30 minutes before the crash up to and including the crash event.
The following image from Electrek.co
The third column is speed in km/h; 5th column is brake pressure in bar.
As can be seen in the data, the brakes were NOT applied until about 4...
What has not been mentioned is the need for a more mobile friendly Starlink antenna for RVs and yachts. In my opinion the current generation of the Starlink dish, while great for fixed locations, is not suitable for applications where the dish would be mounted to a vehicle in motion. For RVs...