Also the money saved from not serving cached goes into the $1-$10m retention bonuses paid to Brain and Deepmind software engineers https://www.theinformation.com/articles/googles-defense-agai...

"Our telemetry shows that many people don't use the brakes often in an electric car, so we've moved them to a sub-menu of the dashboard. We've removed the brake pedal, saving $32 per car."