it has been reported - I don't have any reason to doubt that, but without some kind of source it's pretty meaningless. What does "reporting" mean? You can find conspiracy threads all over the net, many of them emanating from the USA which make all these allegations and more. Which would mean that it would technically be quite correct to say that "it has been reported in the USA that..." Technically correct but highly misleading.

I think we owe it to other people to put in the relatively minimum effort involved in chasing down and indicating sources for the things we say. (As heric did there, and Carol C invariably does.)
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"There was the Telegraph's comment that it is widely assumed that most conspiracy theorists are tapping away on computers in log cabins in Nebraska, but that this proves otherwise..." I can't see it proves anything of the sort. All it proves is that there are at least some conspiracy theorists do not live in Nebraska, or even in the USA. (And here is a "Top Conspiracy Sites" site thrown up by Google and a glance along that indicates that America does appear to be in the lead in producing these, and that this kind of (mostly) rubbish isn't just "confined to internet chat rooms".