Hi @Geezer32
People who have permission to create M365 groups can also create teams. The reason is that Teams are actually M365 groups.
By default, all users can create Microsoft 365 groups. This is the recommended approach because it allows users to start collaborating without requiring assistance from IT.
If your business requires you to restrict who can create groups, you can restrict the creation of Microsoft 365 groups to members of specific Microsoft 365 groups or security groups.
For more details, see Manage who can create Microsoft 365 Groups
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