They make all kinds of things for all kinds of people.
They make houses for people who make $30K a yr, and they make houses for people who make $3 million a yr.
You can't expect these rich people to buy the same speakers and gears we all own or even hope to own.
I think a better question is, if you could save $4K per year for your HT budget, then after 10 yrs you have $40K, what do you THINK you would you buy then with this $40K?