Whats a wild strawman...
But.. on a more serious note the initial reason I asked the question is because I have never heard a top 5% system myself but would love to have the opportunity to do so... I'd especially love to have a listen to a 110K set of Focal Grande Utopia's...
And are you really trying to say that although the physics might be the same, that there would be no measurable difference between a pair of these and my £50 creative PC speakers....
I'm not saying that at all, I'm saying that these "top 5% systems" are just all about expense and not quality. There is a limitation with physics on how "good" you can get something to sound, and realistically it's not based in the amount you pay.
For example, modern day amps, the only reason more expensive ones are touted to have better audio quality is because they output more power and are able to drive higher wattage speakers at higher volumes without clipping or distorting the sound.
If you were to take 2 amps, with a massive gulf between the prices, and run them both with the same speakers that are specced to run fine with the cheaper (and thus usually lower power output) amp, at the same volumes they would sound the same.
The point I'm trying to make is that to make sound, well sound good, it doesn't have to be expensive, it just has to be done properly, and doing it properly has little to nothing to do with expense in terms of material costs, labour and whatever else.
So these top 5% systems come with all sorts of audiophile BS to justify the prices of them, by making all sorts of BS claims that you either can't quantify, or that they simply can't prove about how the system works. Making claims that the metals used can actually adjust the sound in the same way an EQ would is just one of the BS claims they make.
I'm not at all saying that you can't get better sounding equipment, but it's so full of BS and audiophile "magic" nonsense that it's good to be highly skeptical of what they claim (based on the fact that not one audiophile has been able to prove their fantastic claims).