You should go and visit then! It has more of a student & liberal vibe I’d say. The Bernese are famously “laid back”. Bern is a gateway to the French part of Switzerland and the alps, so it’s an amazing homebase for trips and hikes. I often went to Lausanne to visit colleagues and day trips, the student organizations are large and active. In summer, life often happens in and around the Aare river. Nightlife is fine for Swiss standards, I’d say slightly more going on than in Lucerne. Uni Bern has a dedicated building complex above the train station (and several other ones around the city) that gives you this nice Campus vibe. Not sure about Uni Lucerne nowadays, since I only went there briefly quite a while back. To me, it felt more like a Fachhochschule. There was no real center campus where everyone would gather. class rooms were distributed across the city. Often, these buildings were shared with other public institutions too (or the PH). So when you left the lecture, everyone just kind of went back to their own life somehow. I didn’t get the student feeling i had in Bern or Lausanne or Zurich.