Well, I think I'm well qualified to answer this, as I have never passed wind(being a lady) and my poo doesn't stink, either
The Bible makes very little reference to it:
Isaiah 16:11
Therefore my inner parts moan like a lyre for Moab,
and my inmost self for Kir-hareseth.
But I think the Japs f**t so much because:
they don't believe in God
they eat strange things like fish eye soup and seaweed
they're dirty lying scoundrels