I find that this is very world specific. On Mateus/Balmung I feel like I can just walk up and talk to anyone. Many social players on Crystal overall. But on Primal, not as much so and many people in Limsa are standing face to face, talking at each other.

I have very little experience with Aether but when I played on Sargantas, I remember being quite lonely, which is why I transferred out in the first place.