Some people might argue streamers, CD players and cables also have little to nothing to do with sound quality. Does it mean there should not be expensive ones or they meet defeating criticism as well?
Why is is not possible to except that some people like beautiful things or those made with craftsmanship or simply look nice in their environment or simply work hassle-free? This all is about luxury, user experience and enjoyment. Many people are not in the market for the cheapest solution just working anyhow. If they were, no one would need roon. Spotify for free would do the job. No one would need an iPhone, cheapest Smartphone would do. No one would need a Mercedes-Benz, Dacia would be fine.
I like the Nucleus Titan. Would buy it simply because it looks great.