Yeps. Yet it was still a huge amount of cash and a daring leap forward that caused everyone else involved to have to up their game, that if it failed it would have been catastrophic. Real risks.
I think that if Google doesn't push, they are going to get run over by other companies. They have to continue to try.
If they wait for perfect, they'll be like HP was in the patient monitors world. They came up with the perfect patient monitor, but too late since everyone had already invested in their competitors.