She said that this was an executive decision of the company's, because its industry is so competitive that they don't want to reveal their closely-held secrets to the trades. And while that mostly applies to retail trades, she explained apologetically, PRWeek also falls into the category, so she can't tell us anything except to look at their Web site.
That is, to use a technical journalism term, re-donkulous.
At PRWeek, we encounter companies that refuse to talk to the media about certain sensitive matters, and others that give time to bigger media outlets at the expense of smaller ones. But I've never run across a large corporation that has a formalized "no trade magazine" policy-- or one that would fire a spokesperson for being quoted telling a reporter about it.
Heaven forbid the secret Whole Foods cheese display strategy leaks out!