It is sort of a downward spiral/viscous circle isn't it? The hardest most badasstardly users use their knives so feverishly that they dull quickly, and they are such hard workers that they lack the time to sharpen their blades...thus they are destined to scoff those that do as they add even more workload to their burden as they toil with their dull tools.
I say this in jest, of course. He is really a nice guy and I think it was his way of calling me a show off. It is the sort of comment I would expect from him (he is a roughneck construction worker, and I sit at a desk).