Re: "deliberately ignored by authorities because of the ethnicity and/or religion"
"There is no copper or social worker in the country going to give a offender a free pass to abuse children, despite your delightfully evidence free assertion to the contrary."
Absolutely untrue and demonstrates your palpable lack of knowledge about the dreadful circumstances of cases like Rotherham
https://www.thetimes.co.uk/article/police-chief-we-ignored-sex-abuse-of-children-hgrhc358v
even the BBC touched on it
https://www.bbc.co.uk/news/uk-england-south-yorkshire-28951612
It's the blinkered attitudes you are displaying that prevents the lessons of Rotherham from being learned.
Go and watch any respectable TV documentary on the issue.