Jesus quotes scripture as they were about to stone Him, accusing Him of blasphemy because He said He was the SON of GOD:
""Is it not written in your law, I said, Ye are gods? ..." and more -
AS you said "As I understand it,...
Therein lies the problem. Most people feel that their 'understanding' is Gospel and thereby go on to pass empirical judgment on others.
"Understanding" without wisdom seems akin to faith without works...
"Pro 4:7 Wisdom [is] the principal thing; [therefore] get wisdom: and with all thy getting get understanding."
Wisdom comes before understanding -
Indeed. I pray the Mormons will come to wisdom and gain understanding.