this is what I had in mind.
I am not sure if I understand you correctly: do you mean the right click should happen in the discord or in the discourse UI?
I also think that it should be curated. But the issue is that we cant add features to the discord UI. Thats out of our control. So we would need to use the discord API to import all the discord messages into discourse. And then we could have a kind of “discord analytics hub” in the discourse admin/moderator Dashboard, that lets your browse the discord messages and analyze them and automatically create threads from them. Maybe there could also be a notification for a mod every time someone uses a question mark or other symbol in discord. The notification would lead them to a page where they could turn the question and the answers into a discourse thread immediately or dismiss the notification.