Cat in Tin Foil Hats
I was thinking that the kitties did not want the aliens to read their minds. They wore their hats with bravery, honor, and annoyance...but they remained safe from the ever-watching eye of Cortana. Then they dropped the hat when they heard the crinkling bag of Temptations.
Check out the Tin Foil Hat video series on YouTube : https://goo.gl/J7fCEj