It looks like it is not conflicting with pulseaudio. I tried these steps and
I'm still have only "Dummy Output". I have not restarted though
hans@delbin:~$ systemctl --user daemon-reload
hans@delbin:~$ systemctl --user --now disable pulseaudio.service
pulseaudio.socket
hans@delbin:~$ systemctl --user --now enable pipewire pipewire-pulse
Created symlink
/home/hans/.config/systemd/user/default.target.wants/pipewire.service →
/usr/lib/systemd/user/pipewire.service.
Created symlink
/home/hans/.config/systemd/user/sockets.target.wants/pipewire.socket →
/usr/lib/systemd/user/pipewire.socket.
Created symlink
/home/hans/.config/systemd/user/default.target.wants/pipewire-pulse.service →
/usr/lib/systemd/user/pipewire-pulse.service.
Created symlink
/home/hans/.config/systemd/user/sockets.target.wants/pipewire-pulse.socket →
/usr/lib/systemd/user/pipewire-pulse.socket.
hans@delbin:~$ LANG=C pactl info | grep '^Server Name'
Server Name: PulseAudio (on PipeWire 0.3.61)
hans@delbin:~$ $ systemctl --user --now enable wireplumber.service
bash: $: command not found
hans@delbin:~$ systemctl --user --now enable wireplumber.service
hans@delbin:~$ systemctl --user --now enable pipewire pipewire-pulse
hans@delbin:~$ systemctl --user --now start pipewire pipewire-pulse
hans@delbin:~$ systemctl --user --now restart pipewire pipewire-pulse
hans@delbin:~$ systemctl --user --now restart wireplumber.service
hans@delbin:~$
