On-premises for legal is not a good business

AI disclaimer. The writing on this page is mine. The essay below, "Invalidating a business idea...." was originally written March 17, 2026. Opus gave me a few rounds of feedback on it. All the text emitted was from my keyboard though. I tried to build a company called Curtilage. It was intended to be offline AI for legal. As I reflect, I'm most impressed by the generosity of folks I spoke to. I…