Well I'm just not into "roleplaying" servers and never tried them. I play a game for entertainment and intense competition which in ragnarok is via WoE/PvP. I leave facebook for the social stuff
I just don't understand the fun of talking to people on RO but that's just me. Anyways my favorite out of pally and LK would have to be LK. Bowling Bash spam FTW!
I have seen (And run) social guilds that do more than chat and such. Some help other players on the server they're on, or do PvM stuff (Leveling parties, MvPing, ET runs). While making new friends in the process~ It's not always about "roleplaying", as you said.
They're just not into the srs, competitive aspect of RO (That being the PvP/WoE stuff). They like the social, laid back aspect of RO (Considering PvP and WoE are not the only things to do while playing RO, nor are they the only thing that makes RO an enjoyable experience).
Myself being one of those people. ;P
But alas, to each their own. People have their own reason for playing, as well as their own interests~
I would say something in regards to the topic (For the sake of being on-topic), but I have already listed my favorite classes. :<