I'm not sure I understand how the time spent communicating is a valuable metric of how that made your company better. Somebody here can hopefully help me with

I'm not sure I understand how the time spent communicating is a valuable metric of how that made your company better. Somebody here can hopefully help me with the quote, something along the lines of ~ it takes twice as long to write a brief letter as a long one. The quality, not quantity of your communication is what's valuable. Does YC help with training you to better communicate? How is that shown? Where is the time working on product accounted for? Or are you only working on communication (I understand People.ai only measures communication - but I doubt all you are doing at YC is communications).