The point is that this complicated file format have been designedf ro movies not for games, in other words they are redundant
Wrong. Both, FBX and Collada are standard formats for gameneeds nowadays.
No im- and exporter cares about the polycount nor if it was made to transfer to movies or games. It transfers data. And the data is in both case the same. It makes no difference. Vertices, Texturevertices, Normals, plus materials and animation information ...
