Go take a tour of some of these and look at everything with a critical eye. You’ll notice that workmanship is usually very poor, fixtures are of cheap Chinese quality, faux materials everywhere.
I think the industry just learned how to make high-end-looking very well.
In reality many of these luxury buildings have quality problems to come years after delivery. And good luck getting the builder to fix it. They conveniently “go out of business” or just drag on forever with promises and even court battles.