Can anyone comment on the target use case for bi/quadruped robots ? Industrial operations have smooth flat predictable flooring where wheels are just fine. It's

Can anyone comment on the target use case for bi/quadruped robots ? Industrial operations have smooth flat predictable flooring where wheels are just fine. It's also too expensive for a consumer grade household assistant (but this would be the killer App). This seems targeted for disaster/rescue ops and military applications. Perhaps Google doesn't want to enter those markets.