Hmm. By only counting their own customers they ignore everyone running of Elastic Container Services or Google Container Engine.
A bit like doing a traffic survey but ignoring motorways.
Container darling Docker plans to make peace with its orchestration rival, Kubernetes, at its European conference this week. For the past two years or so, Docker Swarm, Kubernetes, and Mesos have been vying to provide the most compelling orchestration layer for containers. Mesos has been around longer, but the arrival of …
Go to Google and search for "docker container orchestration" - every single link above the fold is "kubernetes".
Go to bing or duckduckgo, and it's a mixture of docker, github and "what are containers" - basically, the same links that appear below the fold on Google...
Yet another example the ghoul abusing its dominant position in search to undermine the competition.
According to wikipedia...
DuckDuckGo's results are a compilation of "over 400" sources, including Yahoo! Search BOSS; Wikipedia; Wolfram Alpha; Bing; its own Web crawler (the DuckDuckBot); and others. It also uses data from crowdsourced sites, including Wikipedia, to populate "Zero-click Info" boxes – grey boxes above the results that display topic summaries and related topics.
I tried "docker container orchestration", only two of the results contain Kubernetes in the title (2nd and 4th). The top link is a linux.com comparison between 8 orchestration tool. Maybe Google knows what you're looking for (I basically never search anything about containers).
Docker is done and so are the other engines, rkt etc. k8s talks to runc directly.
https://www.redhat.com/en/blog/introducing-cri-o-10
This is such baloney, I could've NOT looked at Docker at all and spent all my time the last 3 years getting KVM chops and been ahead of the game knowing next to nothing about containers, since it all changed anyways...