Yeah, I was about to answer that op too! It's so annoying. I just want to be warned before I start typing.Here is a good example of a zombie thread where someone is responding to an OP that hasn’t been online in almost a decade. There is likely useful stuff in the thread but the bump is not relevant. I think people don’t always check the date and some kind of heads-up might be helpful in cases like this:
https://www.backyardchickens.com/threads/what-jobs-do-roosters-do.569493/