Because I am such a man. Also physical handicap is part of the situation in my case, but I think there are probably many other cases without physical handicap.
Someone is in the process of exploring the site without noticing the datestamp. Yet, they'll address people who haven't been on this site for years...and wonder why no one responds.
I've noticed that over the years a lot of the nutcrackers that seem to be really into philosophy never pay attention to the date stamp. I'll bet it's some kind of social behavior issue