This should stop pulseaudio and prevent respawns on Arch:
systemctl --user stop pulseaudio.socket pulseaudio.service
To restore the system back to normal functioning, run this:
systemctl --user start pulseaudio.socket
This should stop pulseaudio and prevent respawns on Arch:
systemctl --user stop pulseaudio.socket pulseaudio.service
To restore the system back to normal functioning, run this:
systemctl --user start pulseaudio.socket