A reader wants the benefits of dynamic Office 365 groups without having to pay for Azure AD premium licenses. It's relatively straightforward to maintain the membership of a group with PowerShell. That is, if your directory is accurately populated and the right results are returned when you look for who the set of group members should be.
https://office365itpros.com/2019/05/30/managing-office-365-group-membership-powershell/
