This was international. And it was a long while ago, so I don't have anything online to point to anymore. Sorry.
If "Map Notes clog the map" then there still is something needed in OSM to allow data that's not directly geographical, to be kept up to date, the POI data.
Aside from technicalities: if we want a free, open, etc etc alternative to Google Maps, we need to ensure POI data is of high quality, up to date, and comprehensive.
While it's very useful for many to have all traffic-lights, bike-lanes or waterways mapped, in practice, osmand, maps.me, organic-maps etc etc aren't used when Google maps shows accurate list of Bakeries (or campsites, or anything really) but the OSM-sourced ones don't.
Users, like me, only accept driving to e.g. a campsite that's been closed for over a year a very few times before grabbing Google Maps again. I'll edit OSM in these cases. Open Openingstijden was one of a few experiments where I researched "improving and maintaining POI data".
If we consider the amount of "alternatives to Google Maps" that now don't contribute back to OSM, because of technicalities, legal things etc etc, we miss a lot of good POI data that makes these alternatives viable in areas where Google Maps is the one and only king atm.