Is this some sort of remnant of evangelical puritan protestant ideology?
I don't understaun this.
If you ask me, it'd make as much sense as Orthodox and Christians.... or Shia and Muslim...
I know not all Christians are Catholics but for feck's sake...
They're all Christians to me....
Edit:
It's a U.S thing but this is the sort of things I hear...
https://www.gotquestions.org/Catholic-Christian.html
I am a Catholic. Why should I consider becoming a Christian?
I now know more distinctions (apparently Catholicism requires duty and salvation is process, unlike Protestantism?) but I still think they're of a similar branch (Christianity) so I just wonder the social factor
What does "non-denominational" mean? Isn't Baptist the denomination?
In this context it was meant as a joke. Several Baptist institutions incorrectly label themselves as being "non-denominational" even though they are completely ideologically aligned with the independent Baptist movement.
All the non-denominational churches are just a denominational church in denial. Pentecostals use it a lot too, but it's pretty obvious once you know