Earlier quoted context omitted.
The movie "Hot Fuzz" played up variations in regional accents in England. There's a scene (1) where the London cop (Simon Pegg) has to use two rural cops in order to interpret the dialect of an old farmer. 1. https://www.youtube.com/watch?v=Cun-LZvOTdw
That scene is only a slight exaggeration. Rural West Country accents can be almost totally unintelligible to users of standard English. https://youtu.be/WjTIFkWJctY?t=40s
https://en.wikipedia.org/wiki/Robert_Newton
https://en.wikipedia.org/wiki/West_Country_English#Social_st...