They cannot, no.
Name User ID Title Member ID Location Joined Group on Last visited group on Last Attended Total RSVPs RSVPed Yes RSVPed Maybe RSVPed No Meetups attended No shows Intro Photo Assistant Organizer Mailing List URL of Member Profile
I guess that totally falls under GDPR, just that sadly we're not in Europe.
It too 18 days for the support to answer and give the link https://help.meetup.com/hc/en-us/articles/360002865332-Closi...:
``` If you’d still like to close your group, please submit a request to our Community Support team. ```
Which also explain what Jessica wrote in her response:
``` We're a small team and, unfortunately, we've been experiencing high volumes of requests lately, which caused this delay. ```
Come on, involving support to close groups ? I guess it's even worse than forcing organizers TO PAY to get heir group deleted...