Did Post Office Try to HIDE Information Using Legal Privilege?

Did Post Office Try to HIDE Information from subpostmasters and their legal teams using Legal Privilege?

Advice from a principle lawyer within the legal team at the Post Office says that communications with the primary purpose of gathering information related to litigation should be marked 'legally privileged and confidential'.

Angela van den Bogerd is shown a summary that she created based on the email where all communication relating to the subpostmasters cases should be marked legally privileged and confidential.

Did this subtle change of language suggest that the Post Office were trying to hide information from subpostmasters and their legal teams as concerns about the Fujitsu Horizon system continued to be raised?