It doesn't need to be. Vienna has quite a few of higher-density council housing buildings that are architecturally pleasing, one example is Alt-Erlaa [0]. [0]

It doesn't need to be. Vienna has quite a few of higher-density council housing buildings that are architecturally pleasing, one example is Alt-Erlaa [0]. [0] https://de.wikipedia.org/wiki/Wohnpark_Alterlaa https://de.wikipedia.org/wiki/Wohnpark_Alterlaa