„Eating your own dog food, also called dogfooding, is a slang term used to reference a scenario in which a company uses its own product to test and promote the product.“
Miguel Helft (December 12, 2009). „Google Appears Closer to Releasing Its Own Phone“. New York Times. Retrieved 2009-12-12. On Saturday morning, Google confirmed that it was testing a new concept in mobile phones, writing in a blog post that it was ‚dogfooding‘ the devices, an expression that comes from the idea that companies should „eat their own dog food“, or use their own products.
https://en.wikipedia.org/wiki/Eating_your_own_dog_food
In the enhanced scenario, only the company’s own products are permitted. Maybe the answer for product quality and safety ?