You're making a lot of assumptions. Like the fact that they could do quality control if they wanted to. Or that they have a steady supply of product. Or that ev

You're making a lot of assumptions. Like the fact that they could do quality control if they wanted to. Or that they have a steady supply of product. Or that everyone's incentives are aligned. Or that people give a damn about the long term business. Or that users don't also make mistakes. Etc.