It has nothing to do with conspiracy. The F-35 plan is being executed in broad daylight and on the record, albeit using a lot of resources to influence opinions. A lot of the "information" disseminated over the years, however, has proven to have been (to put it most kindly) highly optimistic.
You might want to read more deeply into this thread, and you might also want to develop some manners, and pigs might fly too. Ignore function GO.