- there is very little strategy to turret placement. If you place it on the center of almost any boss arena, the turret will always be within both attacking and regen range.

- you say you only see the differences, but when you extensively play both classes, you start to feel the extremely similiar execution with managing the same mechanics of dots and buffs. Likewise with your comment of Blm and smn. Less about heir weakness, more on their actual gameplay