Hello everyone,
Just a few ideas on the subject (several good ideas have been said):

1. Case of an event with only one organiser:
2. If an organiser loses the rights (for whatever reason), a message should be sent to them to say so and the event is cancelled. Then, a message should be sent to the participants to tell them that since the event no longer has an organiser, it is cancelled; they should be given the opportunity to unregister so that the event is deleted.

It is fine to talk to them during office hours; however, it is advisable to explain what each term would contain as information. Then the organisers could better give a point of view.
Thank you

I hope I understood what we are talking about and that my concerns are not already implemented: