1. No Archivist in the UK has the power on his own to make such wide ranging decisions. These decisions/policies are made above him, but with his and his staff's advice and input.
Every County Archivist has the power to make the decision Dr Durrant has made - and the decision the Norfolk archivist has made.
There are those 'above' him who could override him or influence him to change his mind - the Church of England authorities.
2. As the owner of the copyright would appear to be the Berks Record Office under the control of Local Government, then Local Government Officers and Councillors are the people/body, and NOT the Church of England, who made/make the decisons as to the how and if copyright is shared. Again with the archivist's input. We are not just talking about Church of England records here! Other church records are equally unavailable unless one can visit Berkshire Record Office.
When we are talking about Church of England parish records the owner of the copyright and of the original registers is the parish that the registers came from - in the person of the incumbent. Parish registers are deposited in record offices to ensure they are kept in the best possible condtions (and to save individiual parishes the expense of providing suitable storage). They are not the property of the BRO or any part of local government. The County Archivist is employed by local government (in Dr Durrant's case a complicated structure involving 5 or 6 unitary authorities). However, he is also the archivist for the Archdeaconry of Berkshire (inlcudng parts of Oxfordshire) - his local government bosses will have little power over this decision.
Once filmed there is another party to the copyright of the filmed image - I don't know what agreement was reached between the LDS and BRO when the LDS filming was done but LDS are obviously prepared to leave the decisions to the BRO.
Records from other churches and organisations have variable ownership - it depends on the terms under which they were placed in the BRO (ignoring Berks records in other hands). When someone decides to put somthing in the BRO they have the option of keeping ownership (depositing) or passing ownership to the BRO (donating). PRs are all deposited - other records vary. The person putting the record in the BRO can also set conditions which can include a closure (not to be seen by the public). I would hope that such closure can only be for a limited period but I am not sure that is the case. The BRO will also make decision as to closure periods to be applied to sensitive records. They have recently received the records of Broadmoor Hospital - the suggestion is that the patient records will never be made public (anyone want to challenge that with a FOI application?). I have also come across a case where the donor stipulated that his papers should not be copied - I could see them but could not get a photocopy or take a picture of them.
3. The pressures on Dr Durrant as mentioned can only be put upon him by his Local Government colleagues, who in turn are advised and dictated to by National Government. Passing the buck and lack of accountability using financial, copyright, legal, and privacy grounds as reasons has become a way of life with many Local Councils and Councillors, and this is just another example.
As explained above - it is the Church who have the decision to make, not local government.
4. Which brings us back to another comment made, with which I agree, sheer greed. Berkshire RO and the Council do not want to lose the revenue from the exorbitant charges it makes for searches from people unable to visit the record office. I was quoted £650 last year for an outcome of 15 peices of paper!
BRO charges are often OTT. One aspect is that they often quote to bring in a professional photographer to take beautiful pictures (very expensive) when all you want is a quick snap with a digital camera.
As to the revenue from the PRs - the potential revenue I had in mind would go to the owners (the Church of England) if they agreed to licence their PRs to Ancestry or some other pay to view provider (like the National Archives have done with the censuses).
The piecemeal and varied decisions of County Archivists illustrate to me the need for the C of E to make a policy decision and to stop leaving it in the hands of the Archivists.