Rinpoche begins with the question: Wouldn't it be sufficient to achieve the state of an arhat? It's easier and more quick.
To help other, you need to attain buddha-hood, you need to develop BC.
View of chos sku / DD BC in Rangtong and Shentong and corresponds to accumulation of wisdom. How KZ BC relates to merit and the form kayas.
Rinpoche's watch is on Greek time. Time is illusion :-) It's hot and sticky in the room.