You'd need to point out examples of when it would ever be beneficial to use SSS strictly for movement instead of continuing to use GCD's in general, same thing applies for Wind and Fire where you seem to also give benefit to a melee dps holding off the main GCD rotation for a 'ranged' benefit. In normal raid cases, other than a cutscenes or end of first phase battles transitioning into second phases, there is no other use for SSS.

The whole point is, if these moves are oGCD's, there would be a better flow and more options to use. Fire and wind will still have the range benefit with good potency, far from uninteresting.