I did a poll and nearly 30% of the people who voted said they used Sync! It's stayed around that percent the whole time too!
EDIT: Here is the poll I forgot to put this here like five times lol https://strawpoll.com/wby5A21R1yA
Oh man I didn't realize the problem of Google trackers, I guess it's time to uninstall it then, even though it's really slick.