"Nick Ciarelli describes a recent shift in Apple’s strategy to not suppress product leaks"

Apple Shifting Tactics on Suppressing Product Leaks? - Mac Rumors

With all the Apple rumour sites and all the speculation around some are bound to get it right some of the time, without it being possible for Apple to prove that it’s illegal use of their info or a leak.

Besides, most of the “product leaks” seem to work quite well in hyping the products and events for Apple.