The Borgified Corpse wrote:
They are probably only denying that it's a prequel, so that people don't go to the film expecting the classic Xenomorphs/Aliens to appear.
That's my take on it too. If Scott were trying to completely reboot things, I suspect he would make things more different. (Didn't the "Weyland-Yutani" name & logo originate with Cameron's Aliens
I believe the logo comes from Cameron's film; the name (spelled Weylan
-Yutani) comes from Alien