First, I never said those are your words, I just quoted some discord ppl. Second, FV has blast radius of 5, which is imo not that big for 5* arty too; also, define "damage output" please.
I think there's no point in comparing those two as they have different skills (fill different roles) and both are inferior to Diane and Zoya.
I picked GW when she showed up in research for the first time and i like how she performs so far.