This is none of my business, but I'm a little confused. I don't see why pg/yc has to apologize. When was the last time a vc acted like he was obligated to hear your elevator pitch, let alone read your huge application---and not only do that, but do it FAIRLY, without giving undue advantage to some other guy with a plan and an MVP (...or not)?
I'm a little confused by the idea that just because you don't have to do something, you shouldn't do it. I do things all the time that I don't have to do because not doing them would make me kind of a dick. I don't want to be a dick and I doubt pg/yc does either.
</none of my business>