I'm going to go out on a limb and suggest that someone with WAAAAAAY too much time on their hands is taking the piss!
That is superb!!!!!

Nah, it’s no. It's affishil awrayt. Thers buddies thit hink it’s a lengwidge, wull
say it is, cuz themins hae Eyrish an gawt a payle a munny fer teachin it an putin it oan bins an rohad saynes. It's aw aboot cultyer an party o isteem wuddn’t ye know, as yer by Tordels sez but spelt it wrang. Whit these fockin glypes hink iz at it’s moar Prod, even win aw the fowk tawk lik thaht dependin waur they’re frae, no ther raligion. It’s those yins thit thocht it soonded wile cooerse afore and wahntit fowk to soond mare Inglish an aw. An it’s differnt in differnt payerts uh the country onywey. Nae doot the way me ma an er famly spoke is differnt tuh thon buddies frae Awntrum ur doon the low country, so meebe yiz dinnae even unnerstan this av wrawt doon!
It’d gie ye the dry boke.
M.