I really don't see a problem with the way that Tesla has implemented this or the name they choose to call it by. Clearly you are going to have some people who push it to the extreme and those people will suffer (or possibly die) because of it. I don't really see how this is all that different from cruise control in general. Cruise control was originally designed to alleviate the physical stress of maintaining a constant speed over long distances (for similar reasons that it exists on planes). Adding the ability for the car to maintain itself in a lane is a further iteration of that, as is the car's limited ability to respond to obstacles in its way. Guess what, if you set cruise control on your car and don't pay attention to changes in traffic ahead of you, you may slam into a car going slower than you, yet none of our cars warn us when we engage cruise control that we should keep checking for cars in front of us (I'm sure it's in the manual in the glove box though). Should Tesla change the name of the feature? I suppose they could, I doubt it would modify anyone's behavior. It doesn't take you that long to realize what the car appears to be able to do before you'll let it steer, accelerate, and brake, regardless of what's it called or what warning messages are read to you.