If capcom insists on the same abysmal field of view, I'll be forced to keep it third person yeah.
Also, the other reason is that making a game play well in third person involves making assets and maps bigger than in real life (the obvious one are the big doorways as to not impede the camera), something that FPS don't have to do. I bet this game will look weird in 1st person because of the wacky proportions of everything.
PS: looking at the footage more closely, it does indeed feels like playing as a midget. The doorways are massive and her head is barely above the handles (it happens all the time in TPS games, but seeing it in FPS really shows off how weird it is).