As you know, Wikipedia titled that picture "Commercial
cage free hens indoors", not free range.
Here is the pic Wikipedia labeled "Commercial free range hens outdoors".
That article noted the perception of higher nutritional quality in free range eggs, but the results are mixed.
There is a lower incidence of Salmonella in free range eggs, but it's still there.
Cleaning standards have improved and results in a lower incidence of Salmonella in commercial eggs, too.