Won't sharpen

I've been a knife guy for 30 years. I sharpen my own knives and have never seen one I couldn't put an edge on. Until this one. I was using the knife at work and it dulled extremely easily. That was kind of disappointing. So I tried to sharpen it. I've used several different methods and it just won't sharpen. So, I took it to a local knife shop (one of the world's largest) and they couldn't get it sharp either. Very disappointed with the metal in this knife and the odd angle that the edge had from the factory.

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