This is going off topic, so , to bring it back to subject: What about the fact that most of these artifacts have shady past? Many are the results of stealing, l

This is going off topic, so , to bring it back to subject: What about the fact that most of these artifacts have shady past? Many are the results of stealing, looting, illegal excavations , and for the most part even the recent artists received very little in compensation. Since you are aiming for the right thing to do, how do you justify the ownership of a roman sarcophagus in the first place?