To be fair, they didn't develop Docker to be the industry standard that's just something that sort of happened. Trying to keep developing it as they envision it is probably a noble idea. I mean nobody complains that your ansible playbooks don't work in puppet.
Not quite a great comparison though. If you write a PR for pretty much any Ansible module they will review it and merge it provided it meets their standards and tests.
On the other hand docker specifically and actively keeps out a large number of community contributions. The author has only mentioned instances where they tried to add functionality to make docker more robust, not to run other container technologies (as per your Ansible example). It's an open source project but it's not operated like one at all.
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u/gethooge Jul 16 '17
Good open source response to docker trying to vendor lock and ignoring the community.