Prime Aldo at any scaled up or down weight would destroy everybody except maybe GSP and Demetrious, and even those guys would at least struggle.
And yes, "everybody" including Jon Jones and Anderson Silva, neither of whom ever faced anyone close to Jose Aldo's level p4p.
Neither has Demetrious or GSP of course, but Demetrious, while operating in a shallow division, is the most complete fighter in the history of the game and GSP spent his prime in one of the deepest divisions facing almost nothing but challengers in good form on solid won streaks.
The same can't be said of Bones or Andy who, while both awesome and my two favourite fighters to watch in the history of the sport, built their legends in shallow divisions without becoming as versatile and well-rounded as DJ. (DJ's array of finishing techniques is the best ever.)