I agree about Jan. I do admire what he and his small team did with Whatsapp and the sheer mind boggling scale they achieved. But this is also success bias. If

I agree about Jan. I do admire what he and his small team did with Whatsapp and the sheer mind boggling scale they achieved. But this is also success bias. If he didn't succeed the same points would be used against him. Winners make their own rules and hindsight is a bad teacher. These same points he avoided for instance partnerships and press may have worked for other successful founders.