GDKP didn’t get popular in the 2019 classic until pretty much TBC.
(And even then it wasn’t THAT popular.)
You think GDKP uses player farmed gold…
Don’t we all wish.
2 player archetypes in GDKP
The carries looking for laundered gold.
The buyers looking to buy gear and launder gold.
(Yes, there are exceptions, but they’re just that…exceptions.)