TBG, I'm a little perplexed by your assertion that the Troy is CLEARLY different from the Entreq. In reality we don't know for sure what's inside either, neither manufacturer is going to open their boxes up, for the main reason that performance is likely to collapse w/the casewk disrupted, and to protect commercial confidentiality. I saw a little comment a while back re discussion on Emperor that Miguel deals w/toxic chemicals, and from the little I can glean, Entreq's innards aren't exactly healthy to the human body.
So exactly why are you so adamant they are totally different? I don't believe you have too much more info tbh. We're all arguing in the relative dark.
I contend from a common sense point of view that this impedance sump effect is likely common to both designs to varying degrees, much about them is likely to be more similar than more different. But I do bow to the possibility that the materials inside Troy are more potent/pure/expensive etc and hence may be more effective.
If you don't mind me saying, you seem to be artificially creating a divide to enhance Troy as the superior by nature/the market leader. My opinion is that they co exist v.well, and potential customers won't be looking for different tech, looking more at different performance, whether signal- or chassis-borne grounding is more effective in one's system, whether upgrading or all-in-one purchase is desired, and whether one can handle the cost of the more expensive option.
