Everyone wondered WTF when Densetsu wrote:
A character that we know and who defines the setting a bit better, would be an improvement over a random Sith we know nothing about.
He's the most famous character in the Old Republic era, who else would you suggest?
It is by caffeine alone I set my mind in motion. It is by the beans of Java the thoughts aquire speed, the teeth acquire stains, the stains become a warning. It is by caffeine alone I set my mind in motion.
I'll be much more into the lore when the game comes out, most assuredly.
Apparently the emails were sent to a group of non-testers by complete accident, and have absolutely no bearing on your testing chances, according to Bioware. So you can't even hope that getting them meant you're being considered for the next round of beta or anything.