If you're trying to compare the two cameras, why would you alter the output from one to make it look more like the other? I would find it more useful to see the LX-3's shots unsharpened.
Yes, from an academic standpoint, or a perspective of some manufacturer looking at raw output for some particular pixel quality, you may be right. But that's not what this is about. This is about getting from the raw image to the finished product with as little editing as possible, and comparing then and *only* then, to see what each camera can do, from the perspective of the end results. I'm certain that most people want to see what the comparable final results look like, assuming very minimal editing, otherwise, they should be looking at test charts on DPReview. And BTW, the LX3 pics were shot as RAW.