An alien invasion is a useful propaganda tool to fix the economy according to economy Nobel prize Paul Krugman...
http://business.time.com/2011/08/16/paul-krugman-an-alien-invasion-could-fix-the-economy/
So do not trust them. Use your own eyes. Do you see aliens around?
You should try having a pint in my local pub, its like that bar in the star wars movie