Yes, I too have given up on isolation after experiencing the Star Sound Technologies Audio Points and other devices.
I am also guilty of experiencing the TriPoint Troy Signature and the Thor SE grounding cables.
I also gave up on thing bits are bites, that total harmonic Distortion matters, that bass traps are worth a damn, that record cleaning does matter nor static is unimportant on non-ferrous material, that you are not affected by sounds over 20k Hz, etc.
I am also guilty of experiencing the TriPoint Troy Signature and the Thor SE grounding cables.
I also gave up on thing bits are bites, that total harmonic Distortion matters, that bass traps are worth a damn, that record cleaning does matter nor static is unimportant on non-ferrous material, that you are not affected by sounds over 20k Hz, etc.