"Even in this context, such a blessing cannot be given if it would be a cause of scandal, that is, if it would mislead either the individuals themselves or others into believing that there may be contexts other than marriage in which 'sexual relations find their natural, proper, and fully human meaning,'" the fourth instruction states.
Finally, Cordileone's memo states, "as a consequence, any priest has the right to deny such blessings if, in his judgment, doing so would be a source of scandal in any way."
https://www.ebar.com/story.php?ch=News&sc=News&id=330656