If the cost of manufacture and shipping goes down, and the price stays the same, the company makes more money and it isn't immediately obvious to the consumer that anything changed.
Healthcare is expensive. Education is expensive. Land (in some places) is expensive. But man stuff. Stuff is cheap.
http://www.ers.usda.gov/data-products/chart-gallery/detail.a...
Similarly, if Apple could reduce its shipping costs to near zero by teleporting the raw materials to Foxconn and then teleporting the finished goods directly to retail outlets, they'd still charge $600 per iPhone, even though they have competition from other phone makers in the form of Android.
The Invisible Hand doesn't always work the way it did in Adam Smith's time.