If that is a typical Airstream you could buy a fairly nice motorhome for what that rolling closet cost. We looked at the Bambi Airstream 16 foot several years ago & the rv show price was $58k, the price of aluminum must have been way up.
Product placement is on a bell curve. There are always small markets for the high-end "supreme" (especially if it is legendary) and also the low-end "bottom dollar." Most of us in the market, stay near the center of the curve. The extremes are fun to read about, however!