The game was never meant to be competitive and the classes were never meant to be balanced. They were supposed to compliment eachother in groups. A TE could never beat a PW, a JD could usually kick anyones ass, and it was supposed to be that way. A JE died if a mob gave it a dirty look, which was unfortunate with the poor sod only having short range weapons. But who cares, unless you played the game only for the arena in which case you would probably have both a PW and a JD character.
The competition evolved from the fact that desirable loot was being camped. Overpopulated servers or not enough alternative equipment for high end characters. Some guilds cooperated in near 24h operations to control certain encounters. The JDs got a lot of attention of course because noone could beat their dps in short encounters, and they would be on top of the loot when the mob died so they could take it and get away quick. A group of well equipped JDs could take down virtually any target, loot it and be gone in a few seconds. However they would never last in long drawn out battles so with their scan boost and all they could wait until the TEs and PWs thinned out the monsters, swoop in and take the final kill and get the loot.