If I'm lvling any other job (mnk currently, pld is on hold I'll get back to it soon) I can't keep my thf gear around. As well, I never see people show anyway.
Ballista numbers dropped hardcore after Brenner, but Brenner isn't that often. I only really like official matches (or LS tournaments like Brenner LS liga we're doing). I play the game for the game aspect, for having a strategy and trying to win. Other people play just to beat others up. While that's fun at times, not enough motivation to get me to play usually.
JP's play Ballista at 1/3 to 1/2 the old numbers, and PvP is only fun when a lot of people do it. It's honestly too easy in small numbers, thf is very good in small numbers and I'm an experienced thf in ballista =P
So I dunno, I guess everyone is waiting for Assault + Beseiged...