No, the person is replying to themselves. That's how you create threads. There is a UI mechanic to make it trivial as well but it's only been around for a coupl

No, the person is replying to themselves. That's how you create threads. There is a UI mechanic to make it trivial as well but it's only been around for a couple of years. It's the same as how threaded email and news clients work but there's one small difference: the display will prioritize the originator over other people who are also replying.