Perhaps we know, but the reasons will be unpopular.
And the neoliberal west has more in common with Israel than Iran, I don't quite understand why you choose to write broad political comments if you don't have the basic background knowledge that would be needwd in this discussion.
The entirety of the world does not run on Western neoliberal lens and every region has had its history and challenges and fights that due to cognitive limits during discussion are never given their legitimate space.
This can apply to grooming gangs in UK, the conditions of minorities in middle east (Yazidis or others)
An individual who might have an issue with a broad ideology that considers all non believers as subhuman to be converted, killed or brought into the said ideology by hook or crook can be motivated with their own experiences.