The Elgin Marbles being the most sought after. I could NEVER support returning the plundered marbles .... along with treasures from scores of unstable governments.
Great treasures are STILL in danger of being plundered.
It’s not fair ... but better than losing heart forever.
Or just badly handled...witness the recent bungled attempt by an Egyptian museum to restore a damaged mummy. They finally had to call in the European experts to “fix” it right...and even after all that, it’s still “damaged”.
And then there’s the recent disaster in Brazil, with an entire museum going up in flames.