The point isn't new skirmish weapon can't compete with RME though, it CAN have niche situation with unique augment, even for RME owners. The point is that the augment range is so huge that the chance of getting them is so small....I don't mind a cure potency gun for COR/WHM, but idk how to get them.
If SE said we're gonna stay on ilv119 for another 3 years, or the augment I get can stay for next tier, I'd toss gil on it.
With next tier coming anytime soon, and R/M/E confirmed to get an upgrade, it's pretty silly to release an augment system with such huge range.