User blog comment:Lancer1289/Mass Effect 3 Community Launch Plan/@comment-26686429-20120302224049/@comment-26686429-20120302224634

The only thing I can possibly see it making sense for is for localization into French, German, etc. I doubt 3 days would make that much difference in that regard. Perhaps distribution, but it's not like EA's a small company, they can sort them out. So no - there's no reason for it.