That is a matter of opinion- I never played with Rob or Terry Kuntz as DM except when I was 4 or maybe 5 years old. Obviously I am partial to my Dad's style of DMing because that is what I cut my teeth on. My Dad was a very good player too, but my brother Ernie was pretty sharp and very lucky with the die rolls. Rob Kuntz was an exceptional player from my Dad's stories. He was devious and could map dungeons in his head w/o getting lost (not bad if you ever played in Castle Greyhawk). My Dad recalled with great relish how he designed the Tomb of Horrors specifically to consternate Rob- and sure enough he managed to get a dead orc in the bottom of every pit in the ToH

Note: Robilar was a CE fighter that often used his humanoid minions as canon fodder when dungeoneering.