Activating washes away phytic acid and tannins both present in non-activated nuts. Phytic acid and tannins are not only bitter, but they can stop the body from absorbing some of the nutrients in nuts.
Roar
Why to eat ACTIVATED instead of RAW nuts & seeds:
Activated foods are living foods. The soaking process breaks down enzyme inhibitors - kick-starting enzymes and making activated nuts and seeds are much easier to digest.