In aggregate, this is true, but there are many ways to game the system to one's advantage and get a true "free lunch." For example, people watching Youtube with an adblocker and logged out don't provide Google with any income or useful telemetry. Likewise you can get practically unlimited GPT/Claude/etc by using multiple accounts.
Look at all the deprecated Google products. What happens when Gemini-SaaS makes billions from licensing to other companies, and Gemini-Charity-for-the-poors starts losing money?
Sadly, the bigger the $$ in the tech pie, the more we have attracted robber barons, etc.