That&#x27;s totally possible for the founders of not-yet-public companies such as Dropbox and Airbnb, where the Y Combinator connection is highly relevant. You&#x27;re right to add that to the conversation. At the same time, lots of other numbers for companies with public share prices and proxy-disclosed ownership data should be exquisitely accurate.<p>My issue was mostly with PG&#x27;s presentation style, where he offers up data, dismisses it in a footnote, and then says it will do anyway. It&#x27;s a weird way to make an argument. On an intricate issue like this, I appreciate exposition that is steadily nuanced, rather than battling self-made contradictions.