My guess, which is just a guess, is that the founders got tired of Google Search and advertising and Android and mobile hardware and privacy issues and regulatory issues so much that the “don’t be evil” motto was glaring at their faces and made them uncomfortable enough to step aside and let others run the show (or run things into the ground). This must have allowed them to enjoy their riches in relative peace.
Sometimes the things you create grow way beyond your capacity to handle and become soul crushing endeavors that bear little resemblance to the early years of adventure, fulfillment and satisfaction in serving others, and the wise thing to do would be to step aside and preserve your sanity and peace of mind.
Sometimes the things you create grow way beyond your capacity to handle and become soul crushing endeavors that bear little resemblance to the early years of adventure, fulfillment and satisfaction in serving others, and the wise thing to do would be to step aside and preserve your sanity and peace of mind.