Problem is if you know what these people do inside it and you don't do anything about it.
Problem is if the police arrests the owner of the apartment but not those doing something illegal inside it.
Out of metaphor: Durov has been arrested because he's Russian and the west is retaliating as hard as they can.
Under the same assumptions Durov has been arrested for, Elon Musk and Jack Dorsey should be in jail too. [1]
[1] https://www.theguardian.com/world/2023/sep/04/twitter-saudi-...
Problem is if you know what these people do inside it and you don't do anything about it.