In light of the fact that aliens are not real, and the aliens pictured in these sets are by no means based on any living being, no, it does not bother me.
Gah... No... Not the... the CHILDREN!
Little Sammy: Mammy! Mammy! Lookit the little aliens mammy! They gonna steal the big laser to create mass destruction in the city, mammy! But lookit mammy, the police are gonna lock em' up and kill em' in space, mammy, with the airlock, mammy!
Sigh.