You mean a kind 24 with multiple p-tags? I have no idea how to handle that, but I don't really want to depart from the air-reply feed, as then we just end up with a stupid version of groups.

Also, I don't think you are sending these replies to my public inbox relays. I am receiving them by luck of having the same relay list.

I'm trying to picture this. If the 24 has multiple p-tags, that just means that note goes to lots of different npubs' message feeds and/or notifications. If they click the ↩️ reply button, on that 24, then we don't create create a real reply, we just include all of the same p-tags in the next 24. We could have a Reply/ReplyToAll differentiation, like with e-mail. 🤔