I was thinking about this in a different context a while back. Basically companies (amazon for sure) utilize open source then make some closed off fork of it w

I was thinking about this in a different context a while back. Basically companies (amazon for sure) utilize open source then make some closed off fork of it while giving nothing or peanuts back to the original open source development foundations. For example Amazon has indisputably made Billions if not Trillions from monetizing Mozilla products. Yet has only donated a few paltry million back to the foundation. While at the same time using the FOSS products to create their own walled garden.