Even if our current society favors a few rich over the masses, as long as every individual gains something in comparison to the life in the last century, for example - even if it is less than the gain of other individuals - it can still be considered fair and just.
This may be so, but only to a point. Although things are better we should not let the label of "gilded age" let us become complacent in thinking that everything is as good as it's going to get - things can get better and demonstrably are getting better every day. We must keep working at it.
7+ billion people live on Earth, it's very logical to assume that a good deal of them are the same - have the same tastes in things and would produce the same (or extremely similar) data, clumping together and only leaving the extreme outliers, which are the ones that should be watched.