Maybe it's just my browser, but I've had the same problem a couple of times (though I could have avoided it if I were less drunk/tired/stupid each time).
If I forget to title a new post or I forget to login (only happens when I login from another computer, since my info is stored here) I get a page that tells me I'm an idiot, but then redirects me back to the folder in which I was posting. At this point, the precious content of my post has completely disappeared...
The point is, it it possible to have a pop-up or something that reminds me I'm a moron BEFORE my post gets erased and I have to retype it all? If not, I understand, and I'll lay off the sauce.
I think some people may not completely understand the quote tags. Otherwise there would be a lot less three thread quotes that take up an entire screen. Or people could just be lazy and inconsiderate I suppose.