User blog:JohnathanNash/Is there a way to do this?

So, because I look at the recent feed and not really at the age of a post, I've commented on something that was posted from 2015. That being said, is there some way we can automate this site to delete dead posts so this doesn't happen again? I can see some problems may arise if the script starts attacking stories, but for blogs and forum posts, could we do that?