Should be noted, in the source material, there is such a thing as elven templars.
Somewhere along the way, all of the various races in Arm got turned up to 11, and became farcical stereotypes of themselves.
Most elves in Dark Sun are nomadic herders. A few elves are raiders, and a few elves are nomadic traders. A few of these traders set up semi-permanent markets -- these are the c-elves of Armageddon. Except, nonsensically, the c-elves of Armageddon can't actually run trade caravans effectively.