No, its like the Elgin Marbles. These things would either have been lost to decay and time, looted by art dealers or destroyed by Muslims if they hadnt been either taken out or opened up to public visiting. Use can be controlled, but they need to be open.
Excavation of Lord Elgin’s shipwrecked brig “Mentor” off Kithira yields more passenger items
TornosNews.gr 24.10.2018 | 14:25
http://www.tornosnews.gr/en/greek-news/culture/33044-excavation-of-lord-elgin-s-shipwrecked-brig-mentor-yields-more-passenger-items.html
http://www.tornosnews.gr/en/files/Y______._1_Excavation_of_Lord_Elgin_s_shipwrecked_brig_Mentor_yields_more_passenger_items_1_735959598.jpg