Pardon my exploding head, but this all reads as if wayland (which I am seriously unfamiliar with) is enabling something which lets pulseaudio work. If that is the case then logical pigs are floating in the sky overhead.
I have been trying to unravel other audio issues when I see this bit of news here and begin to wonder if this is related.
From my understanding of wayland - it is replacing xorg - but this I always regarded as graphic (visual) and nothing whatsoever enabling/disabling sound-audio. I have had a couple of wayland instances running never considered to look into sound issues there.
It would be as silly as if you could not run your refrigerator because you forgot to put the lid back on a rubbish bin outside.
Is it possible xorg has this problem also ?! Except dbus being the culprit in the corner ?
How the heck does audio merit being interfered with by the display driver ?
I am all for Wayland getting traction, but sensibility must prevail.