we believe that the changes required for addressing this issue will be positive over the long term for the whole community. as for your other lenses - i would never get rid of any lens that is renting or making you money. the hardest hit i ever took was from him, and it was my fault, not his. as far as i can see, your question is something completely different. there were tons of good sessions and good speakers. i am not sure it makes sense. 