Not just that, but you can put it in front of every Google Maps user.
yes, waze had 100M+ users and still failed to have a successful launch with waze carpool. part of the problem is Google is too successful. If a business makes USD 10M a year and takes up a month worth of attention every year from the Alphabet CEO, they will probably shut it down before we can say Google Product Graveyard.
Google is a great company but it has never been truly hungry because it has never faced an existential threat.
Counterexample, Google Brain didn't make much money, but they still invested in it and spit out Transformers.