Also, Google knows how to make profiles and it knows the importance of that data amd keeping it safe. It is also somewhat answerable to Consumer groups,users,shareholders,regulatory bodies. Indie dev doesn't know how to make good profile, more likely to sell the data to make revenue. Not ridiculing indie devs, just ridiculing your assumptions that if a solo dev is an angel.
https://www.labnol.org/internet/sold-chrome-extension/28377/