He also put a ton of emphasis on it being a "start-up" and essentially said something along the lines of "in this type of culture its expected that you earn less". I can only guess they passed on me because of my salary requirements which are ~20k under the average. If that is the case which I can only guess it was, not exactly filled with respect or value for work/life balance. /2 cents
EDIT: and jeez they are pushing themselves hard on ycombinator lately.