“We will be a minority in our homeland by 2066” is accurate: https://www.independent.co.uk/news/uk/home-news/white-briton...
Burning the Koran is not a statement of fact, so it cannot be disinformation.
"young white girls are being raped by these grooming gangs" is also accurate (though the precise number is contentious, mostly because the police turned a blind eye, or even actively aided the gangs): https://www.ibtimes.co.uk/britains-grooming-gang-scandal-rep...
So can you be more specific in what you were referring to as being "disinformation"?
British =/= Briton
And English most certainly =/= Briton.
No more than English == Iroquois