So, when an economist predicts that something like aggregate supply and demand will change due to a natural disaster, how often does the American government respond to this and take action to alter the overall outcome?
Every politician that remains in office should know that they never let a crisis go to waste. When a crisis happens, and some economists are willing to back up the politicians when it comes to sending out money to act as a stimulus to offset the drop in LRAS or AD, there isn't much political will to stop it from happening - if anything, there is every political reason (pay of interest groups) to let that spending through.