And a wide variety of traps and upgrades do make it fun playing with the empty-headed heroes that occasional invade your base looking for fortune and glory.
And in tough times, there's plenty to be said for empty-headed entertainment that lets folks sit back, exhale, and forget about their troubles for a little while.
The shrill and empty-headed political debate over budget surplus is a prime example of how politics completely overshadows sensible economics (though some might think that a contradiction in terms).