Note that I fixed that
Oops, should have looked more closely. Well, it was still useful because the #bug needed to be closed
Finally! I have 27 groups that are automatically defined based on email address. What's the simplest way to change the settings. Go to each group and remove all the users? (They'll be presumably re-added shortly with the new settings, right?)
If it is a one-time thing, use the shell:
Awesome. Thank you @rriemann. I'll point out that relevant level on the second to last line is :watching.