Mr. Rambusch, RIP.

"Owing to significant popular opposition, the project foundered, but not before I, a young university professor with a bourgeoning liturgical consultancy of my own, learned of how Catholics can go about breaking the Ninth Commandment in the name of defending their view of the Fourth."
From this, I gather that the "typical church-building project in our time [being] a 'team effort'" involving the laity is true if and only if the laity agree with the "liturgical consultant".  I am unsure, however, in what manner one might commit a sexual sin when disagreeing with said consultant.