In this context viable means "to not suck".
As for your rather insulting post, lets look at the dictionary, shall we?
Quote:
Main Entry:
vi·a·ble Listen to the pronunciation of viable
Pronunciation:
\ˈvī-ə-bəl\
Function:
adjective
Etymology:
French, from Middle French, from vie life, from Latin vita — more at vital
Date:
circa 1832
1: having attained such form and development as to be normally capable of surviving outside the mother's womb <a viable fetus>
Not quite what we are looking for, lets look further.
Quote:
3 a: capable of working, functioning, or developing adequately <viable alternatives> b: (1): having a reasonable chance of succeeding <a viable candidate>
A reasonable chance of succeeding? Good lord, could that be just what Theo said? EXACTLY what he was talking about? Lets look.
Quote:
Gnome is the only viable race as a rogue in PvP on alliance, human for PvE.
Undead for PvP on horde, orc for PvE.
Well I'll be, thats what he was saying!
Just because you can make a rogue of a race doesn't mean they won't suck.