No clue. It is at least EETimes not Semiwiki, so I think it is still less biased than Daniel Nenni. I'd guess the details about future nodes, like 7 and 5nm are more uncertain since not all process details may be settled yet and these must come via leaks from staff, since they are the only ones who are getting in touch with those details (I think none of the foundries give official details on that level). For the more current nodes, it is more likely that details leak through customers, since they need to know those things so I would expect the information about the more current nodes to be correct.
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