It is middle range, not middle end. And there is middle range cost and middle range quality. Victorinox has middle quality steel, high quality fit and finish, at low to middle range price.
Spyderco Endura is a middle range knife, all the quality most people need for an EDC while their PM2 is high end for them. Yet both knives are not as high end (or range) as a custom knife.
Custom knives can be middle range too, I have a $100 custom knife from a guy that was just starting out.
Then you have Busse with their low/mid/high end Junkyard/Rat/Battle/Custom lines.
Most of my knives are middle range at low cost as I buy at pawn shops, flea markets, airport sales, etc. These are "used" markets but I often find unused knives there with original edge.