Layer-hopping hotfixed to add increasing delays

[Apatheist]

You can see the effect of this on Herod for example. High quality stuff is around in abundance.

Classic has just launched and the hype is fresh, there are no expansion zones to spread out player activity and there are relatively few "rare" resources you can farm that aren't gated either behind a cooldown or raid reset so everybody that can farm those items is.

I think what you're seeing is simply a matter of player concentration and knowledge. In vanilla things occurred more organically because it took most people a lot longer to get to 60 and not many knew exactly where/how/what to farm. I'd be shocked if there weren't a ton more resources available.

The number of players leveling through dungeons also increases the volume of BoE's on AH significantly.