I love DEVO, however I was definitely not aware of this. Mark Mothersbaugh added “We Smell Sausage” in reverse on several of his projects. It’s a nice little Easter egg considering the controversy of backwards masking in 70’s and 80’s music. Prince did something very similar at the end of Darling Nikki on Purple Rain.
Here’s a link to Darling Nikki’s backwards masking message:
Darling Nikki