Everyone knows that that track will be slick and gating will be paramount.
Whilst inexperienced, both Cook and Worrall can gate well. On a track where passing was difficult that would have been enough to score more points than the incumbents did.
On a general note, it is all a bit like trying to get a job when you're 18. Companies are looking for experienced staff but are not prepeared to give anyone the opportunity to get that experience. GB were never going to win the world cup so we should have been planning for the future.