Luther's problem is that he was not curtailed. He was smart, but one man in the 1500s couldn't read through all the wisdom of the accumulated 1500 years
THAT, compounded with his tendency to fly into rage and curse all at the first sign he was being disagreed with (see his diatribes against Catholics, Zwingli, Jews etc.) is linked to what I wrote to AmPU that the premise of the original article is flawed considering that various denominations agree on practically nothing (especially if you include Oneness Pentecostals who deny the Trinity)
Is a perpetually sinless and unpenetrated Mary 'core' or opinion?
Golly!
I wonder what his screenname is here?