I see nothing there that reeks of vulgarly expensive or over the top. Ostensibly barely more than horizontal enhancement excluding the possible CC link which I interpret as a good thing. I'm more curious about the mis-matched mains on matched monos. Wouldn't be the first time a vendor had to scrounge or borrow some random cabling to get up & running at a show... happens all the time!
Statements in my posts are opinion only, not to be construed as fact. Any projects I engage in are at my own risk! Their outcome cannot be assured and may result in success, small/no change or catastrophic failure. I encourage no one rely on anything I say or do as gospel and to realize your mileage may vary!