“Why do you judge OTHER protestants so badly?”
Because I was just challenged on the Trinity doctrine by someone who calls herself a Protestant, among other things.
Who are you to challenge a belief that Christians have believed and the Church has taught going back to antiquity?
This is what I ask Mormons continually.
A similar question is asked of them and Catholics; too:
Who are you guys to ADD to..
...things the Church has taught going back to antiquity?