Just why do some people at chip companies get so paranoid about the nice tech journos who report on graphics processors?

According to a source in Silicon Valley, it's really quite simple and straightforward.

The execs are so stressed out that they overdose on prescription drug Prozac. One of the known side effects of this drug is that it can induce paranoia.

Thus turning any senior IT exec into the equivalent of a Gatling gun, with lots of bangs and bullets flying everywhere from flaks.  X