DD was damn good at what he did, and he benefited from an owner that allowed a cycle up, when the window opened wide with so many top prospects coming into their own, at around the same time.
I once made a list of the highest sp's rankings each of his prospects traded reached and it was over 20 players who were once top 20 in teh system, yet hardly any amounted to squat. The few that did, still fell woefully short of what the return guy did for us.
Some call it luck, but he kept all the right prospects. Sure, many were so low in the system, that their value was not that high, but he kept the best of his farm. His farm ended up producing a few key players- so much for "blowing up the farm."
YES! He knew how to value FAs and his own soon-to-be FAs. He got the Sale extension wrong, due to injury, but after he was traded to ATL, you'd swear some fans suddenly thought he was worth keeping around.
The Porcello trade and extension netted a Cy Young. That was just one of many moves that worked.
His FA hit% blows Ben, Bloom & Brez away. Take all those guy's top signings combined, and they cant beat DD's top 5 or 10.
The guy did what he was asked to do, and I'm so glad he was our GM. This fact does not contradict the fact that the team was bound to reach that escarpment, and no, expecting JH to buy our way out of it was not a reasonable demand. (Going 4+ years has been a bit extreme, but here we are again at a similar window we saw in 2016-17 and finalized the deal in 2018.)