Earlier quoted context omitted.
Calling someone a conspiracy "nut" is not an argument, and doesn't add anything to the conversation besides an ad hominem fallacy. I do agree with your one point that DARPA funding is given out in a seemingly haphazard manner. However, giving companies money is an effective way of exerting influence over them in the future.
Simply calling somebody a nut instead of pointing out the flaws in their argument is a proper example of the ad hominem fallacy. However, taking aim at the argument itself, successfully demonstrating its nuttiness, and concluding that one would have to be a nut to try making such a case is not a failure of reason. Quite the opposite. After all, the ad hominem rule is not some generalized prohibition against personal…
Arguments should stand or fall based on merit, not on labels like "nutjob" or "conspiracy theorist".