Not to mention podman's historic[1] lack of compose support (or similar), which is frequently used in CI and local dev environments. I think has really held it back for a lot of folks.
[1]: Apparently initial support planned in version 3.0?
I don't know if I'm misunderstanding, but if by 'compose support' you mean docker-compose, then podman-compose has existed for a lot longer than v3.0 (which got released yesterday). First commit was nearly two years ago.
Sadly it doesn't feel as polished as docker-compose, I can only assume it's due to the lack of API. Specifically, podman-compose just translates all the docker-compose.yml file directives into podman cli commands, which doesn't seem to be handled gracefully.
[1]: Apparently initial support planned in version 3.0?