It seems to me that your link and its comments give plenty of hints that property is suspected of having been misappropriated, e.g. "The sheer volume of all the

It seems to me that your link and its comments give plenty of hints that property is suspected of having been misappropriated, e.g. "The sheer volume of all these new texts was raising concern." or https://brentnongbri.com/2019/07/03/dirk-obbink-and-the-museum-of-the-bible-a-brief-history/#comment-18641 https://brentnongbri.com/2019/07/03/dirk-obbink-and-the-muse... Given that some of the people involved are deep pocketed and litigious, and British defamation law appears to be fairly plaintiff friendly, the participants in that discussion probably exercised extra caution.