Tim Duncan's teams have been stacked. Jazz had 2 great players. Horny was decent but he's no tony parker, kawhi leonord, ginobli, or even Boris diaw. That's 4 possible hall of famers on 1 team. With arguably the greatest coach.
Don't get me wrong I think Duncan is definitely better than Karl all time...but Duncan had the good fortune of winning when mj retired and Kobe and shaq parted ways. Having said that he's still the GOAT at pf