I'm quite certain that it may be ridiculous but it's certainly the norm. Found this AT thread, I don't care what bow you order, seems guys have said they are waiting on left handed models.
http://www.archerytalk.com/vb/showthread.php?t=1670334
PSE is out 6-8 week on right handed bows, Hoyt was over 60 and the order was cancelled on a left handed bow.