There's a LOT of garbage in there!
To clarify some points:
1-yes, the PSU is grounded to the chassis.
2-No, the alligator clip does not add to the cooling ability of the HSF (at least not significantly).
3-Yes, grounding the HSF will shield the rest of the world from the EMI emitted by the CPU, but it doesn't exclude the possibility that the CPU may be sensitive to EMI.
4-Did anyone think about measuring voltages, or signals between an HSF and ground?
I'm on page 5 now...
5-Water Wetter does not prevent galvanic corrosion, it slows it down, a lot.
6-If you plug your computer in an outlet without a ground, then your computer is not grounded! (which is bad) The white (hot) wire is NOT a ground, but it is connected to it. That third prong is for protection, and to absorb (errant) voltages, as the dude found out (the hard way!).
7-A fan does not produce EMI within a frequency that is likely to affect the CPU, but it is possible.
8-Although a PSU is the biggest EMI generator, it is only so in amplitude, and again, at a specific frequency range.
Pfew... ok I'm done going through all 17 pages (90% garbage BTW).
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