Unfortunately I had to pull the plug

Yes, those features are very useful. But they require a) the user to be aware of them and b) clicking to reveal the context

Late replies without quoting can make a topic can look confusing to the layman. Example (the “yes me” in the below topic, which references a post made earlier in the topic):

I’d suggest Discourse should have auto-quoted the “yes me” post, but avoided auto-quoting the “count me in too Chris”, as this reply came soon after its target post.