We Americans have to remember that this has changed (for the most part) in AMERICA. But there are still some Catholics (I was discriminated against by one) who do not live upto the Gospel and who are judgmental, etc.
I once dated a girl and was discriminated against because my mother is Spanish and my father part Italian. My girlfriend’s dad (a Croatian background - and Catholic) said that my background was “too close to Africa” for him. He would not allow his daughter to date me.
I was devastated… I had been discriminated against before by rural protestants, but here was a rural Catholic (granted an poorly educated one) discriminating against me.
Another example: in the Pocono Mountains, there is a small, rural mountain town that had 3 Roman Catholic Churches, plus one Byzantine Catholic Church – four Catholic Churches in all. Of the three Latin Churches, one was of Italian descent, one of Irish decent and the third was German descent. Everyone hated each other and when the 3 Latin Churches merged, it was ugly… Irish Catholics calling the Italian Catholics “dirty waps,” Italians calling the Irish “filthy Mcs” and no one liking the Germans… etc. Plus all three didn’t trust the Byzantine Catholics. It was a VERY UGLY time. Granted, this was all back in 2012!!!
Outside of America, there are still parts of the Eastern Europe, etc where Catholic vs Protestant or Catholic vs Orthodox exists.
The Pope and the Bishops know of this stuff. Remember, heretics are not just to the left, they can be to the far right too.
God Bless