As others sometimes stated, I feel this mkre has to do with the age of the player and just that as a people, I think are becoming less likely to socialise. I always start with a "Howdy doody!" and I usually finish with a "GJ all!" or a "Shame on us all" if we wiped twice or more on a low level dungeon.

I'm sorta in the middle. If I expect it's a speedrun, I just want the hello and goodbye BUT I do find chatting makes a slow hurdle less of a grind. I've had a few dungeons where the healer or tank might be abit undergeared which slows the whole game down but if we chat and joke through it, it doe'snt feel like a chore. All in all, I guess I'd prefer more chat. Always makes a session more memorable!