A lot of issues with devcontainers is that the extensions and features often make giant assumptions about your environment. You are also assuming to use docker or containerd and not OCI complaint images. Docker is now more or less compliant with Podman we need to accept it. It’s like X is better than JS there’s no reason to change. The problem is bad dev container files.
Look at this one from gVisor (Google hypervisor) probably generated by bazel:
They have three ways to make the project like make, bazel or I am guessing this file. Podman might catch up but it’s industry standard now for Docker.