As the tooltip points out, it's because #OpenStreetMap is powering Apple Maps (in lots, but not all, places), and #OSM is actually pretty good.
Come join us, and help make a map of the world for everyone. https://www.openstreetmap.org/about
RT @xkcdComic@twitter.com
Maps https://xkcd.com/2617/ https://m.xkcd.com/2617/
🐦🔗: https://twitter.com/xkcdComic/status/1523844870736990209
@stampirl 💯 yeah, @streetcomplete is awesome!