I think it really is a problem if they're getting artifacts without clear provenance. They've had to return some manuscripts, and I thought that they'd cleaned up their acquisition process. But perhaps not?

https://www.christianitytoday.com/2020/04/bible-museum-steve...

https://www.artsy.net/article/artsy-editorial-museum-bible-w...

https://www.smithsonianmag.com/smart-news/museum-of-the-bibl...