Listen to this pro explain the actual technical advancements for creative workflows in the modern era. He also goes on to say Apple didn't actually just display the display stand at WWDC it was a AR demo about the tech of the monitor behind the photo of the stand. I personally invested in a 4k HDR tv for my testing of HDR footage and payed 2,300 for that. But I can only dream of affording this style of monitor soon, but with apple already on the market with the tech I can see this stuff coming to consumers in 2 years maybe for 1k by other brands?
TLDW: The monitor gives you professional quality grading qualities and features for video editors about 24,000 USD cheaper than the closest equivalent in the industry.