If this is aimed at the big products like WP7 and Android, then Apple better think it through carefully.

During the Cuban Missile Crisis, JFK famously said:

     any missile attack from Cuba would be
     considered an attack from Soviet Russia and
     bring "a full retaliatory response" from
     the United States against Russia itself.

Transferring your weapons to a third party and then saying you have no control over what a third party does will be viewed dimly indeed.