A blade server would get cancelled just like the Mac Pro for exactly the same reasons: https://9to5mac.com/2026/03/02/some-apple-ai-servers-are-rep...
I think you can do better than the proverbial Apples and Oranges comparison.
In terms of total system, "box on desk", Apple is likely to remain the performance per watt leader compared to random PC workstations with whatever GPUs you put inside.