Fishpants, I; behalf of the ORG community apologize to you.

Though, he kind of has a point:
I own all the RTW (including 2 copies of RTW) games so I don't see why I have to buy them all again just so my collection can be complete.
In short. It means that why if someone wants to get Alexander, he must buy the whole "Total War Eras".. Wouldn't that be a waste of money (In the case where you have all the precious titles, I mean).

P.S. I am not in anyway encouraging, or even implying the use of illegal ways to obtain the Alexander expansion.