The book’s name itself is Brainwashing, it’s written by a non-christian. But since she was taking examples from history and European history is rife with turf wars between different flavors of Christianity, that might have seem to be the prime example

They stare and get too close and touch you all the time. I kept having people touch my shoulders and try and touch my face when I was in public or queuing

This is more of a culture thing, I used to do it a lot when I was younger (it’s considered friendly)