What if a course lacks a proper introduction to Buddhist philosophy?

I'm new to the practice of Buddhism. But I'm not new to the philosophical ideas of Buddhism. I've just begun a ground course in Tibetan Buddhism. The shamata parts are good, the philosophy parts not so much. I feel that the "view" is not really explained at all (for example, emptiness and the two truths). This creates a tension when I sit in "class". If this was university I'd go right ahead and state my opinion about the lack of proper introduction to these views. But somehow I feel I'm not supposed to object or criticize, I'm a bit afraid to offend and so on. But honestly I feel the philosophy part is not duly taken care of and explained. My question is, does anyone have any advice for me about how to relate to this feeling of lack of teaching on basic Buddhist philosophy when in "class"? And what if some of what the teacher says is simply wrong or misleading: would you comment directly on that?