A lot of technical talk here.
It's inevitable some people would spend big money on cables especially those with $200k systems as to them it would be "injustice" to spend $200 worth of cables on their mega-buck rigs that would deserve "better" cables. Given that these folks can afford good quality systems, $10,000 worth of cables is nothing since it's likely that they will outperform lesser cables although the margin of improvements may be not significant.
It's inevitable some people would spend big money on cables especially those with $200k systems as to them it would be "injustice" to spend $200 worth of cables on their mega-buck rigs that would deserve "better" cables. Given that these folks can afford good quality systems, $10,000 worth of cables is nothing since it's likely that they will outperform lesser cables although the margin of improvements may be not significant.