Child abuse exists.
Elder abuse exists.
Rape exists.
Polygamy exists.
Adultery exists.
Fornication exists.
Do YOU really think any or all of these are "part of God's plan" in our time, if ever? If any of these play a role in God's plan, it would seem that the plan is to stamp them out along with the intrinsically disordered homosexual perversion.
If anything the “Intrinsically disordered” meme is too polite and too weak. It’s like talking about a problem with bullet holes without reference to a shooter.