The last time I encountered this glitch, only the real queen could hire( I once tried this out in a domination game and got 4 queens, yet all hires would happen at 1 outpost)
“All warfare is based on deception. Hence, when we are able to attack, we must seem unable; when using our forces, we must appear inactive; when we are near, we must make the enemy believe we are far away.”
― Sun Tzu, The Art of War