Why waste time creating trailer, screenshots, booth personnel while you can use that time to make the game even better. (In some games it takes a month or more to render screenshots edit trailers and then the loss of personnel that has to be at the booth is a serious financial drawback)
And maybe we will the larian Gods will be smilling and give us some info (maybe the subtitle or official title) sinse <img src="/ubbthreads/images/graemlins/div.gif" alt="" />˛ is just the working title .