Sincere apologies for the inconvenience here. As @Bastien_Siebman has explained, this is the current behaviour when deleting a Section (it will delete all tasks nested in it including the multi-homed ones). I’ve slightly modified the title of this thread so it better reflects your request and is more discoverable for other users to upvote. I hope it’s Ok.
We also have two existing threads regarding Sections. I’m listing them below in case you want to upvote them:
Please let me know if there is anything else I can help you with Martina! Have a nice week!