Neither will be hard.
Counter-Strike 2 != Counter-Strike. If they release a Counter-Strike 2 we are half way there.
Blizzard will eventuelly fold. Just look at Interplay.
The same company that brought you Carmageddon, Fallout, Baldur's Gate, Descent series, etc, died. I saw their stocks a few hours before they died. They weren't even worth a penny.