Originally Posted by
Rilifane
Because while casters and phys ranged can stay at range, there is no benefit in doing so. On the contrary, most mechanics are far easier to resolve if people stay close to melee range (donut, cones etc) and only move out when absolutely necessary for mechanics that have limited space at melee range like spread markers. Healers have everyone in range, people with party buffs/ mitigation have everyone in range even for skills with a fairly limited range like Curing Waltz.
And SE knows that.