It feels like Google’s attention span, leadership longevity, and product development patience is roughly 3 years. Any product that survives longer than that probably has transcended beyond being a “pet project/toy” into a PR-problem or revenue-stream significant enough that it takes on a life of it’s own. As management turns over, that lease on life is renewed…
https://killedbygoogle.com/
While this fosters new ideas and opportunities, that conversion into long-term direction and execution can be pretty rough.