He isn't waiting "additional" sentence. The sencence was REPEALED and the retrial might set a NEW one, not additional.
The "procedural shortcoming" you mention seems to be that "it wasn't sufficiently well established whether the rapist thought the boy was giving consent or not". To this, I say:
Even if the title is slightly clickbaity, this piece of news is disgusting and relevant. Your comment is "clickbaity" in the opposite direction.