I hear you!! It perturbs me, too! The ONLY time I am understanding is when then 'new' seller had asked the 'old' seller if they could borrow their photos (but it doesn't sound like that would be the case, here, does it...)
Also, unless sellers opt out of allowing ebay to use their photos in the catalog, then other sellers can copy those photos...
However, with all that being said, the majority of the copied listings I've encountered are copied without permission... I agree with beenburned and noshoepolish - it's ridiculous, & frustrating, & oh-so-typical of evilbay.
I have to say... SOME sellers are a bit OVER the top about photos.....
My husband bought a guitar Pickup for my daughters guitar...
It ended up not being the correct one for some reason.... and not all of the info about the color of the pickup was listed.....
So, my husband decided instead of bothering his seller about this,
he would just list it and sell it again on ebay.....
He wrote and asked the seller if he could use one of the photos for his listing
since it was a very good photo....
The seller said... NO... now, mind you.... this is not a mass produced item
and that photo is ONLY good for this ONE pickup.....
My husband asked in a very polite manner.... and this seller was RUDE about it.....
NOT a smart move since he was less that forthcoming on the actual color and
details..... and should have been GRATEFUL, being my husband was not
going to make it that sellers problem....
and WAS planning on giving the seller 5 stars and Positive FeedBack....
(I am sure he still will give him a pos... )
In my opinion that is a little over the top....
I mean it is fine to say no.....
BUT, they can at least be polite about it......