In fact, this was actually turning into a reality. If the circus really helped with the war, then it was pretty much a sure deal. That said, for those who were not aware, this move might get criticized.
The cost of moving a large number of people was not small. It was bigger than most people think, and there were plenty of hidden costs that most wouldn't even consider until they experienced them.
They had also been operating for weeks, building reputation and connections during that time, and that was not cheap.
The critics would say that they invested too much time and money in this war, considering that even the necessity of the costs was debatable.
At least in other wars, the expenses were related directly to the fight, such as stockpiling resources, adding sentries, and so on.
