Today I flagged an empty post for moderator attention. About ten minutes later, I wanted to go back to check if there was something in it I had overlooked (the post appeared to be completely empty, which is something I thought impossible). I thought, easy, it'll show up in my profile. But it didn't. And now I can't even find that post anymore to provide a link to it in this question (maybe it has already been deleted by the moderators).
I did see the answer to this question:
Which is something that I'd consider helpful, but apparently it strains the system too much. So, how about showing it on the user profile under "activity"?