Exactly, Iam.
And the idea that exposing rape and grooming would lose Muslim support is outrageous. Do people who believe that know any Muslims? I don't know a single Muslim who would withdraw their vote from a party who exposed such behaviour, and find the casual stereotyping offensive.
Would those suggesting that political support from the Muslim community would be withdrawn because of prosecutions for such behaviour withdraw their own vote from a party who exposed white/Christian/older/heterosexual/insert other appropriate groups to which they belong? If not, why do you think that Muslims would do so, and more importantly what is it that makes you think like that?
Of course rapists and groomers should be exposed and prosecuted. That is a given. It is also the case that heavy-handed policing of part of a community can lead (rightly or wrongly) to accusations of discrimination and racism, so sensitive situations need to be handled with care. Not brushed under the carpet or shied away from, but consideration has to be given to community relations if investigators are to get public co-operation.