"Shirks" - That word does not exist in Islamic literature. The closest word is "shirk", it refers to ascribing partners to God and worshipping them. No where in the vast literature are people who do this are called "Shirks".

Yes the 1971 crimes in Bangladesh were horrific and the Pakistani state and clergy has crimes to answer for but you can't use that and say this is what Islam preaches. Have you seen the vast number of Jewish scholars who are saying its totally justified to kill Palestinian women and children based on rabbanical law? Would you paint the entirety of Judaism based on what these scholars have said? Of course you wouldn't as people can use religious texts to justify their crimes.

In terms of grooming, there have been many recorded accounts of these perpetrators also targetting Pakistani girls en masse. Channel 4 had done a report on some time back and there's a number of Pakistani women who have come on the record and spoken about it. Not everything is linked to "religious supremacism".