Fell At level 60, we cleared all the available content without an Enchanter. Between Zap, a Monk splitting pulls, and proper use of Distract, we had the necessary control. Unless Enchanters can contribute meaningful DPS, I’d rather bring another Wizard or Rogue - they offer stronger damage while still providing utility through roots and knockbacks into line of sight, zap and distract, or simply just run off with a pack while others pull and just vanish.
For Enchanter-style crowd control to become indispensable, camps would need to be considerably denser and more dangerous. During Early Access, however, every productive camp will be heavily contested and mobs will be killed almost immediately.
That’s my real concern: not whether groups can handle six to eight mobs, but whether the world will have enough mobs and viable camps to accommodate hundreds of organized static groups during the hardcore leveling rush and YOU know those camps that have valuable items are already occupied, so CC will be much easier.