You are quite right that trying to define “the Biblical approach to marriage” is a fool’s errand. But Russell Moore is much more nearly correct than you are. It’s hard to get “one man and one woman” as the only model for marriage in the Bible, but it’s impossible to read the Bible and not see utter and complete condemnation of the entire LGBTQ lifestyle.

They aren’t born gay. The beginning of the process by which one becomes gay is clearly expressed in Romans 1:21 — knowing but not glorifying God, preferring instead their own futile thinking.

And you can’t find any society anywhere on Earth or at any time in human history that has included same-sex relationships within its definition of marriage.

Lost sheep, I pray the Shepherd finds you and returns you to the fold.