The story seems to assume that there is one “British” English and one “American” English. There are indeed many British accents where Ts are unstressed or repla

The story seems to assume that there is one “British” English and one “American” English. There are indeed many British accents where Ts are unstressed or replaced by either something that sounds like Ds or glottal stops. Same with the Rs, there are many variations across different British accents.