Absolutely - posting even to a private group essentially makes the post public to anyone in the group or who subsequently joins the group. Furthermore, unless his posts explicitly state that they are not to be shared further, then text can be assume to be posted for the benefit and fair use of all group members.
Tim.
On 19/05/2019 14:22, Ellen wrote:
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Wouldn¡¯t anything he posted to the group be ¡°public¡± once it¡¯s posted? If his replies to members were public, then there isn¡¯t a problem.
Ellen
?
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