App Store Surfacing Old Reviews From as Early as 2008 for Some Users

Since at least the iOS 11 beta, the App Store has been prioritizing old reviews from several years ago for some users. Now that the software update is publicly released, we're starting to receive more user reports about the change.
The first review for Facebook's app is from 2008
On my own iPhone, the first review for Facebook is from 2008, the year the App Store launched. The reviewer called it a nice app that allows him to stop using Facebook over text messaging, which is clearly a dated comme