Type 93 nerf to gen1 thermals

Type 93 got nerfed from gen3 thermals to gen1.
Did gaijin finally found some documents which tells about vehicle optic and it is absolutely reasonable decision?
Or country known for good optic manufactury just got nerfed randomly because devs imagined so? Without any notes in dev changelog?


Same for type 81… In addition, I also noticed an error in which the compass at the top of the screen does not appear at all in these vehicles…