Probably, but you're only counting the tangible value. In my mind what they've done is far greater in intangible value. What about HN and the community it has nurtured? And let's not forget being a sort of pointer to true north to most of the people thinking of creating something out of nothing. Sure, money is easy to count and imagine, but there's plenty of people that make that, how many PG's appear every 10 years? To paraphrase Michael Scott - you think PG's grow on trees; well they don't; there is no PG tree.