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

Von den ganzen doppelten "yes" Einträgen kann man vermutlich die meisten löschen node/1201451499

A bathroom in a park way/727969852 would be very unusual, check for alternative tagging building=bathroom

Check whether sanitary fits better building=sanitary, also see the other 967 https://taginfo.openstreetmap.org/tags/building%3Dtoilets%3Bshower

paved conveying ? way/394887548