Market failures are an idea. An idea that the market is failing because someone isn't being provided with something that they want at the price they want. You

Market failures are an idea. An idea that the market is failing because someone isn't being provided with something that they want at the price they want. You are saying that if a good isn't being provided, it's a failure. But who told you the market would give you everything you want for free? Who stops you from raising money for your pet project?