Living beings are not duplicated because they do not inherently posses the active Chronoparticles required by intertemporal travel and are mere organic passengers aboard the chrono-infused inorganic vehicle!
"Hah! It's like we don't even have feelings. Now pardon me while I recline in my huge executive chair and guffaw, cigar in-hand. "
"ill just go with what Winslow always when something that funny about a location in monkey island is said"