Given that everyone can now buy designer handbags and new cars, the rich have taken to using much more tacit signifiers of their social position.
bbc • The new, subtle ways the rich signal their wealth
Someone who wastes time and money on expensive luxury goods and hobbies sends an unambiguous signal: I have the wealth to afford these pointless things. I am an elite. In such cases, even fundamental laws of supply and demand break down. The high price of a luxury product is the point. If it becomes cheaper, people will buy less of it.