My reasoning for it is a bit confusing, so i'll try to explain better in case it needs a better way to be explained
ignoring car window glass, this can be used for high detail models that have things like bulbs inside the light housing
i'll be honest, my brain can't think of much else, but boy would translucent textures be nice
assuming it doesn't hate shaders
also yes i was nagging because i was converting a model from something else for MTS

Added in V19.15.0.