Your statement of it takes more time to boot up alone because of the memory checks. No, wouldn't matter if they are on VM, which more likely they all are, considering BioWare's large purchase last year.
http://www.dellstorage.com/WorkArea/DownloadAsset.aspx?id=2450
You seemed to take a hostile stance when I asked what makes you think they are physical serves, not sure why you did, but hey, this is the forums, I can understand.
I see a lot of people think that the regular maintenance is all about fixing stuff. In a patch maybe, but that is likely not at all what occurs during "maintenace" mode. System scans, backups, scanning accounts, whatever they feel like doing, combing over logs.
I concur, they need to have less downtime, their current methodology is making a lot of their client base upset.