[andrepd]

I think those can quite coexist in the same space (especially if said space is a 100M euro building ;)). The library can function as that communal place of shared culture, and host cafés, exhibitions, concerts, rooms for community events, rooms with musical instruments (the facility I make the most use of in my library)... and also quiet study rooms and places to focus without noise or distractions. There is no incompatibility between these two aspects.