Could you use NO2 as an extraction method? I know you can make Green Dragon this way, and it has been used quite long time in perfume industry and in molecular gastro/mixology. I have used it to infuse spice and herb flavours to different liqueors for some time now.
To help the cell growth and skip the aeration?
I guess you have no idea what olive oil can do in the fermenting wort/must, so check this out and this thesis.
Its just an advertisement. Reinheitsgeboten doesn't mention wheat or even malted barley or yeast, so you can't brew a beer that qualify its standards. Yeasts were found in 19th century...
I think I'm lucky not to live in the USA, as this never could happen here in Finland. All the kegs and lines are marked, so its impossible to mix them. And even though most of the waiters/waitresses don't have proper training on beers, they have someone (like me, nearly 2.5k different beers...