He didn't diss Dilla. He just said he couldn't see his catalog and said no disrespect and said he loved J. Dilla. I don't understand why people are up jn arms like he said something disrespectful. Nothing he said required a hypothetical response from Dilla if he were alive. In fact, he was more so speaking to backpackers/purists who were dismissive of his catalog and compared him to Dilla.
And to D. Dot's point, a lot of people don't understand that he was integral in putting Kanye and 50 on. "How To Rob" was a big deal. That was a D. Dot joint featuring 50. He helped Kanye develop his sound. Wasn't no ghost production and the records D. Dot got credit for, but Kanye actually did was due to label/industry politics not D. Dot stealing credits. Even on D Dot's album, Kanye got credited with the joints he did.
Also of note, the term "ghost production" in Hip Hop exists because Kanye pushed the narrative that he ghost produced for D. Dot, when that's not true. There was a difference in Kanye's and D. Dot's styles even then.