The price points between the 7+ now and the 6S+ last year are virtually identical (I found a reference that suggests the 64GB 6S+ was $849, and the 128GB 7+ is

The price points between the 7+ now and the 6S+ last year are virtually identical (I found a reference that suggests the 64GB 6S+ was $849, and the 128GB 7+ is $869 now). Would I be correct in assuming that this price point is now considered too expensive because of Brexit (causing the pound to fall)?