But if your purpose is to have sex inside the dormitories, it's the best place to go, because you don't need to pay nothing to bring your girl to the bedroom and nobody will tell you not to do it.
Electronic key-cards are sanitized right before being handed over to the guest checking in, and are also immediately sanitized upon the checkout — the guests will not hand over the key and pick them up each time they leave the hostel — it will now be with them for the whole duration of their stay.