TBH the previous editors had some glaring flaws: no easy custom modules, no voice/sfx mods and no audio mods at all, And voicesets have always been part of BG modding.
Hopefully. That was beyond my scope, I mostly (actually entirely) just did 3D modelling previously. My frustration was with the Bethsoft ones in that they actually
removed stuff in subsequent releases like generating lip files; which I guess was some licensing issue, but it was irritating that it was removed rather than resolved.