How come airlines still lose luggage with everything being computerized and barcoded?

Question

Edit: Thanks for taking the time out to reply. I’m enjoying reading all the different explanations and view points.

In: Other

Answer 1

Speaking as someone whose luggage is still not with me, human error is a factor. Specifically misapplied airline luggage tags, getting someone else’s tag on my bag.

Lesson learned: when the ticket agent tells you they’ll take care of it, insist on watching them actually label your luggage.