I'd also just like to call positive attention to the bravery and openness Mike has shown by publishing his revenue/business numbers (which maybe some would hold as precious private information). He's been very open in hopes of inspiring and giving back. It's not just the code that he's open sourced but a path and pattern. This is pretty special in the best use of the word.
This is exactly why I disclosed my revenue: people won't know there's a successful path forward unless it's disclosed. I want more OSS developers to follow my lead and build a bright future for themselves based on their awesome software.