Because software is "Not A Real Thing" (tm). The same with music, or films.
I can't believe people are still using car analogies. But to go along:
You buy a car, use it for a few years, then resell it. Your car has lost significant value in the meantime, not only because it's old, but because...
The real problem with the two new weapons are their tails. When you have >2 soldiers on the server using the lasers, you can't see shit.
This is especially bad for snipers.
Overpowered they are not, though, as stated above the projectiles are really slow and easy to dodge.
Get a skin where it says "family" instead of "friends". Or be friends with your family members. It isn't mutually exclusive, you know?
That said, sorry for feeding even more...
I don't think that would make any sense from a business standpoint. Who buys a game for full price if he can get the same game for less, in the same condition?
Leipzig is no longer host for the Games Convention (since last year). There is now "Games Convention Online" (Leipzig, mostly browser and cellphone games) and "GamesCom" (Cologne, successor to the "original "Games Convention").
But yeah, I hope they show off their new games in Cologne this...