It might have been bad luck or a single case, but seeing the other reviews it feels like we have been in a different apartment. Here are the objective pros/cons as we have experienced it:
PRO:
The location of the apartment is great for exploring Athens by foot and enjoying great restaurants in the neighborhood. It‘s quite in the night but you can reach some cool places with a short walk. The communication with the hosts was always very warm, friendly and super quick. The small request we had was solved in an instance, which is great!
CON:
When we checked in late afternoon we found the apartment floor still wet and the dishes only roughly cleaned. We had dust and hair in every room and had to clean after arrival and before using the dishes. Also many intensively used things in the apartment have seen better days and need upgrading or fixing to bring back the experience the pictures suggest. There was also only the absolute minimum of consumables.