Then as a grown adult, you can make your chrome policy.json to disable the automatic updates.
And being an adult has nothing to do with it. If left to their own devices, most people will simply not update. Some people actively resist updates. Linux Mint had some statistics that showed that like half of their users were running severely out of date versions, so they had to change things.
Yahoo collected data and shared it with Linux Mint. Also, Mint analyzed downloads for its packages.
https://blog.linuxmint.com/?p=4030