Well they deserve a very long rope for the continued success they have had, and how they were able to build a dynasty around TD with low draft picks, particularly Manu, TP, and Kawahii, or using players others couldn't fit into their system (e.g. Diaw). In fact, they probably missed out on a couple of championships they could have won; losing to Miami once when they had almost won an away game, once to the Lakers (though Pistons ended up winning it all). I might even be missing one.
In any case, their success gives Pop a lot of leeway. That said, their recent moves have been a bit of a doozy. They lost Kawahii, which I thought was uncharacteristic. They also let Parker go to Hornets. Perhaps it's part of business, but IIRC, Parker didn't go for a huge package. Him finishing his career in San Antonio would have been poetic, and he could have been a leader in the locker room. They passed on Hali, and I thought didn't get a good haul for Murray either. Sure they got multiple picks for him, but several years out, and not even one rotation player in return (Gallinari was waived by them).
Tough to compare the two situations, but during our run, Petrie had a series of masterstrokes, picking gems with low draft picks (Hedo, GW, Martin), trades, and FAs. We were unlucky, but he built a contender. Then suddenly, most of his moves got weird. His coaching hires were uninspiring, his draft picks quite bad, particularly in hindsight, and also some of his trades.