Check whether sanitary building=sanitary fits better, also see the other 211 (all in the same region) https://overpass-turbo.eu/?w=%22building%22%3D%22bathroom%3Btoilets%22+global&R

way/1273566302 probably storage ? indoor=room#Examples

was für ein Raum ? way/1181334260 --> indoor=room#Examples

emergency:exit=subway ? https://taginfo.openstreetmap.org/keys/emergency:exit, room=stairs ? osm.wiki/Tag%3Aroom%3Dstairs, step_count ? https://taginfo.openstreetmap.org/keys/step_count#values. Was soll hier "electrified" sein ?

way/565541238 which kind of room ? indoor=room#Examples

Not very likely in the middle of nowhere building=bathroom

Indoor missing (nearby all tunnels around) indoor=highway

was für ein Raum ? way/1154844735 --> indoor=room#Examples

Sollte eine Fläche sein node/5493616314