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There is a limit to how far the needle can go. Whatever happens on the bevel ends up on the edge and taking the polish to the extreme described here may yield a (relatively) more pristine edge; but...

Again, reality...

Yes, you can polish a bevel with ultra small grit CBN until you cannot see any scratches. It will look very impressive under a microscope.

Of course, the first time you shave...

Just one simple thing.

Reality.