The spec there is talking about maintaining around about ambient T with a 70W heat load. Seems reasonable to me, it would only need to be dissipating 120-ish watts. An 80CFM fan should do this OK, subject to caseflow and power considerations.
Do you have data contradicting this? That would be very interesting. Or at least some summary of your experiences would be of more interest than the bad mouthing.
Although it IS rather entertaining. But it does not make for a particularly good sales pitch, either for your point or your product.
Cheers
Incoherent
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