I think you will find that EP have not said he has the PII info - have you ever seen them admit he has all the files? In their email they said they would not be released.
I don't know why you are so obsessed you are 100% convinced there is nothing in them anyway.
If they were trying to frame him, anything highlighting this will be shredded.
If they are not attempting to frame him, there will be nothing of any note.
So yes, I don't believe there is anything in them.
But Bamber probably has all documentation anyway. The campaign team have nowhere else to go at present.