Non-profit management consultant, foundation CEO here. Could not disagree (respectfully) more. The social sector badly needs business culture and acumen wherever it can get it. Lack thereof is the #1 choke point on tens of thousands of great ideas.
The only true difference between a for-profit and a non-profit is the tax status.
Cosmic level blessings on Paul Graham for doing this. Badly needed. The entire sector needs catalytic infusions of entrepreneurial energy and expertise.
Only 150 non-profits have grown past $10M in revenue since 1970. North Korea has better business acumen. Love to see efforts like this.