Your theory falls apart when later that year it was announced nobody was facing charges, there was no outrage then.
Even the guardian's reporting of the time illustrates how attitudes have shifted:
https://www.theguardian.com/uk/2001/...liquechrisafis
"The case is understood not to have involved coercion"
A 12 year old girl couldn't identify a father out of 5 men and none of them had a positive DNA test - and the "left wing" guardian said the 12 YEAR OLD hadn't been coerced!? And collectively as a town we accepted this attitude, these were not seen as victims, its there in black and white.
If you want to make yourself feel better that when these warning emerged you dismissed them as not realising the scale of the problem, or perhaps you only found it outrageous when discovering the race of the assailants, that's up to you. But we definitely had warnings that the people of Rotherham did not get upset about until it was way too late.