Earlier quoted context omitted.
OP spoke in generalities, and I answered in generalities with specific examples merely as illustrative aids. You just used sarcasm.
Sarcasm is a perfectly valid rhetorical device. If you find it rude, I apologize. Some luxury goods are beautiful. Some are high-performance. However, many of them are prized merely because they are exclusive. I find very expensive jewelry, almost without exception, to be gaudy and hideous. Even if it were tasteful, it could be made with artificial or semiprecious gems and clad base metals with no change in appearanc…
Take a look at the jewelry case at Walmart or Kohl's (if you're in the United States) to see what's happened.