> Yeah, I removed Chrome precisely because it kept re-adding its crap to the login sequence.

This, and forced auto-updates were exactly what finally led me to entirely removing Chrome from all my systems.

> (I would have to update hundreds of accounts).

I actually have been doing this for the past couple months. It wasn't too bad, just time consuming. I took the opportunity to request account closures for every account that I don't expect to use in the future.