The bathroom example is well chosen, to this day you will find apartment buildings in Berlin with a shared bathroom/toilets for all the apartments in the buildi

The bathroom example is well chosen, to this day you will find apartment buildings in Berlin with a shared bathroom/toilets for all the apartments in the building (and no individual bathrooms in the aparment). Given the tight housing situation, landlords exploit that fact by asking very high rent for those apartments and still find people willing to rent.