Most people I’ve seen are going on about either
1) the novelty of talking to entirely new people, which is a relative rarity since the early, heady days of MySpace when social media was new and gardens felt much less walled. For Gen Z, it might actually be a first given their average age; or
2) how the lives of average people compare to theirs and compare to their prior notions of what they thought life was like
These seem to go both ways btw, e.g. Chinese people being amazed that we really do need to pay for ambulance rides and that it’s not just govt propaganda. People are going where interesting things are happening, it’s plain and simple.