A rank 1 player can make any spec work. It doesnt mean that the spec in question is perfectly viable.
As you said he was playing with Venruki and Kollektiv. The best mage and the best shaman in the world.
A gimped spec works when being carried by the best players in the world.
Mage shaman can work with any third class. Warlock could work in that comp if it brought nothing but instant fear while mage kills things.
Sorry not sure why I try defend a lock spec in a warlock forum. My bad.
You didn't even try at all like you told us that some pro warlock rolls with some more pro dudes thus ''This spec'' is viable that's all you told us you never even remotely explained how affliction is viable other then that
other then ''One amazing guy'' with ''amazing people'' can do it as I've stated
=/
Different definitions of viable.
Can an incredibly skilled player with incredibly skilled teammates play it and accomplish great things? Sure, but top raiding guilds can clear the hardest heroic content in the game wearing blues - I doubt the majority of the playerbase would consider blues "viable" for heroic raiding.
As for chaos wave, I wish there was some compensation for the nerf in pve - I used to find it handy for feng heroic since I'm forced to go demo to help deal with adds most the time.