While you are technically correct, kubernetes removed the Dockershim. Docker is often used as a synonym for containers. However, most of the things should still work [1].
[1]: https://kubernetes.io/blog/2020/12/02/dont-panic-kubernetes-...
[1]: https://kubernetes.io/blog/2020/12/02/dont-panic-kubernetes-...
There are tons of ways to build containers without Docker. You're effectively encouraging propagating confusion.