A big difference between Apple and Google is that Google tests all it's stuff publically and Apple tests all it's stuff internally. Apple probably has a product graveyard as large as Google's. The difference is that they killed them before they had a chance to disappoint the public.
The thing about innovation is that they have to be pie in the sky ideas. Because if the idea isn't at least a little crazy then it means it makes sense. And if it makes sense, then it means that everyone else is already working on it and you're too late.

He specifically targeted cities with well-developed public transportation plans and convinced them to scrap them and wait for him. Just like with his hyperloop scam, this was his one and only goal with the Boring company.