Blizzard doesn't say NEVER because they want to keep your mouths closed. The "maybe" "soon" answers are better, keep your mouths closed and they don't release legacy, it's perfect.
Now seriously, if you want to see legacy soon, just Nostalrius, move your ass. Just reopen nostalrius or cya forever stop stiring the shit that is what u've done since april.
You are not gonna see legacy servers from blizzard now, and you are not going to see them after blizzcon either. You are not even going to see them the fucking next year. Maybe when retail is dead