How idiotic is the offside rule? Commentators at half time say that Giroud's left foot was offside.

[Gunner Since Time Began - born to moan]

I thought that the location of the attacking player's whole body was the determinate. The way it is now is a player's erection could make him offside.

[Kev the Gooner]

[Gunner Since Time Began - born to moan]