Once I realized what Christian Universalism actually referred to I wasn’t interested any more.
Originally I did think it meant something like your first bullet point: " * The belief that all roads lead to God."
But of course that isn’t very clear either. I would have preferred to say it was the belief that God can be worshipped by many names and traditions, both within and outside of Christianity.
But if it just comes down to who is entitled go to the “good place” when they die instead of the place of punishment, I just can’t take that seriously.
I think … maybe to be more fair … most who would accept the label “universalist” probably don’t actually take that question seriously either - at least not as typically conceptualized.