Not when you're also trying to sell them your solution.

"You are a worthless sinner, a transient cloud of mortal dust, with a soul that is in danger of an eternity of torment. Unless you - you know - do what we tell you."

As marketing pitches go, it seems pretty straightforward.

It's not reductive at all. Telling someone that they are only worthy of torture or destruction for not believing in an unprovable entity is actually worse than that.