Because of the way you made your statement. "i'm very sorry that you wasted your poe" sounds very elitist to tbh, though I guess it wasn't meant that way... ^^
On topic: I think the kind of player that even considers buying a chest piece with crappy stats doesn't care that much about min/maxing.

They most likely just want a new, cool looking piece of gear that is higher ilvl, which is totally okay. They are most likely not going to either spend the gil or time spiritbonding to meld two Crit IV's into low percentage slots and the dreadwyrm piece will probably also be out of reach.
But anyway, yeah, i clearly see where you're coming from...
