Speaking as someone who makes a living contributing to open source, it's a frustrating trend that the major cloud providers (Amazon being the worst offender) have decided that it's in their interests to take open source projects and never contribute back or even interact with the community. It's less clear to me whether this is rational on their part - whether the incentives have actually changed. It's generally been…
I work for Amazon Web Services, and I will risk responding to the first and only comment from a brand new account.
Amazon does contribute back and does interact with open source communities. You can find information on AWS's open source activities here: https://aws.amazon.com/opensource/
The page hasn't been updated for some of the latest news, such as releasing the Firecracker virtualization technology as open source: https://firecracker-microvm.github.io/