Note that before this existed, you would have to go into Youtube/Google Maps/etc. individually to view your history settings. Comments from here (
https://news.ycombinator.com/item?id=6873032) and here (
https://news.ycombinator.com/item?id=7804350) show that many users may not be aware that they had history turned on, so a centralised settings page will hopefully raise a bit more awareness.