Because you have been given the marketing material that it is safe.
Now let's continue this thought. Which company, do you think will produce the safer vehicles: The one liable for the faults of it's technology or the one not liable?
Now maybe the interesting question is why so many people shill (against their own interest) for the company known for the least responsible way of dealing with the matter.
Because you don't control what the autopilot system does. Tesla does, and as the manufacturer of the product, is the party in place to minimize the risks it creates. Most especially in this sort of context where they have prior warnings as to the product's failings, and neglect to provide warnings or to fix the problem.
Of course you have control, you can not turn it on and drive safely like everyone else.
If someone sold you some kind of funky DIY autopilot system on ebay that turned the wheel for you and you decided to put it in your car and go in traffic, are you not responsible just because the seller assured you it's safe?
Now let's continue this thought. Which company, do you think will produce the safer vehicles: The one liable for the faults of it's technology or the one not liable?
Now maybe the interesting question is why so many people shill (against their own interest) for the company known for the least responsible way of dealing with the matter.