Back when I played adventure/RPG games...the one thing that broke me out of the suspension of disbelief in most games was how, after defeating an enemy who was clearly using some amazing equipment, your party wouldn't bother picking it up and instead, pick up a few GP and maybe a "Short Sword"
Of course, I realize now that that was a reasonable constraint of game design and balance. So it's not coincidental that my favorite RPG of all time, Ultima 7, had a famously in-depth inventory system, and yet also was so unbalanced that combat was mostly pointless.