The iPhone has been able to drive cars since version 3.0.1. Google should really be focusing on making lists more springy at their ends instead of this sort of trivial thing.
Your second point is strange too, do you actually think that a big tech company like google should not try to research new stuff outside of its comfort zone ? Or because one of their product is imperfect, they shouldn't work on another even if they have the ressources ?
I hope this was a joke that I didn't get ...
We're talking about platforms that struggle for mastery over an emerging market that will be bigger than the PC revolution.