There's nothing "to be fair" about this. The levels are technical distinctions in a roadmap towards "self driving cars", which by any reasonable definition are

There's nothing "to be fair" about this. The levels are technical distinctions in a roadmap towards "self driving cars", which by any reasonable definition are Level 4 and 5. Below that it is marketing for advanced cruise control features (level 1 and 2), or dangerous (level 3).