Your favorite restaurant just closed. Not because the food was bad, not because foot traffic dried up — because the platform took 25% of every order and the math stopped working. You've seen the V2EX thread circulating: "能不能有一个不以盈利为目的的外卖平台" (Can we have a non-profit food delivery platform?). You nodded along. I did too. But then I ran the numbers, and the fantasy collapsed. This isn't just a China problem. Western devs have been burned by the same pattern with open source: "Why can't we have sus