All that, and you haven't mentioned the extra problem that the team heading the examination and translation of the scrolls was headed by a scholar from the Vatican, Roland de Vaux - not exactly a great choice when something is discovered that might challenge conventional Christianity. There were then inexplicable delays in publishing, and other scholars being denied access.

All this is reported in a book by Michael Baigent and Richard Leigh, The Dead Sea Scrolls Deception. I also wrote about it here:

https://medium.com/@graham-pemberton/the-scandal-of-the-dead-sea-scrolls-e85eeb1153a6