Pure gold is a phrase best exemplifed by Gomerblog's takedown of Dr. Peter Edelstein who had written a piece justifying that it was somehow okay to yell at health care staff:
Interestingly, almost immediately, Edelstein's piece was magically edited, replacing "to Yell" in the original title with an ellipsis, and the removal of a few curse words. Gomerblog concluded the one-sided Twitter war with an epic mic drop.