Now usually such a statement would make me delirious with joy - HOWEVER - in this case, I was just plain confused. Should I laugh, was this some sort of ironic humor?

Warning: Watch at your own risk! I will not be held responsible when you find yourself constantly humming this melody, in the shower, on the metro, in your dreams!!! Arrggh, Chocolate Rain!

Now usually such a statement would make me delirious with joy - HOWEVER - in this case, I was just plain confused. Should I laugh, was this some sort of ironic humor?