There are a lot of incorrect details in the article, although the premise is mostly accurate; the use of "spot on", for example, is certainly increasing on this side of the Atlantic, along with other phrases that aren't mentioned, such as "bog standard".

But a lot of the article's examples aren't quite right: "to book" a room or table has always been in use here; it just sounds more colloquial than "reserve", so the latter is what would be more likely printed in hotel brochures and restaurant menus. Conversely, "expiration date" is used in formal or ersatz-formal language, but "sell by" is what's actually usually printed on supermarket labels.

Some of the items ignore subtle distinctions in the way certain phrases are used. For example, there's always been "washing up" in America, but it's invariably done before dinner, not afterwards.