An interesting article, somewhat let down by an inaccurate and overstated headline. No-one is getting 'conquered'. As it says at the end of the article:
"But in the grand scheme of things, the traffic both ways has been modest. That is, American English and British English remain distinct dialects, with little danger of being homogenised."
"But in the grand scheme of things, the traffic both ways has been modest. That is, American English and British English remain distinct dialects, with little danger of being homogenised."