I'm not sure about them, but admittedly its just based on one event (which was very upsetting for me, at the time.)
West of Scotland, early 1970's, could be a hotbed of hatred between Catholic and Protestant. My Mum was a very liberal Catholic, and I'd go to 'The Chapel' in the morning, and then a Sunday School run by the SA in the afternoon with my wee pal across the road.
I had no concept of religion whatsoever, being 5 or 6, and just enjoyed all of it.
I'd being going along for some months to SS, and had been contributing 2p every week for the Christmas Party, when I came home one Sunday afternoon, very upset. The 'big man' who ran it had found out I was a Catholic, had handed me back all of my contributions, and in no uncertain terms told me that I shouldn't come back, and why.
Mum had a fit and tore strips off him.
I'm sorry to say this, but they've never had a penny off me since.