Silicon Valley and other so-called "tech" commpanies, along with "tech journalists" and other online commentators (prognosticators) who presumably work for such

Silicon Valley and other so-called "tech" commpanies, along with "tech journalists" and other online commentators (prognosticators) who presumably work for such companies, are a never-ending source of "predictions" (promises) that never hold true One longstanding example is "vapourware", but the deception carried out today goes even further, IMHO What if the non-believers and realists could use "prediction markets", in addition to short selling, to bet against them Maybe they are already doing so, but I have not seen any examples