To me, feel free to correct me if I am out of line, complaining about hardcore players obtaining items that a casual most likely will never equip, is almost like complaining about the Accomplished Man who drives a ferrari.

People who put in more, get more. in MMO's, people who play more, and kill more monsters/do more raids, are going to have more gear.

in shooters, the people who hone their skills, kill more people, and complete assignments are going to have more guns/attachments which will make them even better.

in real life, people who work more, make more money than people who work less (in most cases)

its a universal staple of life. Trying to dilute that simple idea and make it to where everyone can obtain the same gear is just watering down the game.