Well Cor Blok had a definite idea back when he created all this material based on The Lord of the Rings. For a sixth form art project, I'd be halfway impressed.
The use of materials is interesting, though I suspect more as an art experiment in itself than in achieving something a fan of Tolkien want to see. The minimalism is also defensible -- in seeking to avoid distracting the viewer with mere detail; but what's left once detail, perspective, accurate proportions etc. have been jettisoned is not purer or truer, it's just facile.
The results _might_ be thought-provoking to the viewer, but probably not much. And the experiment fails when e.g. Aragorn is the stick figure identifiable by his cowboy hat and full beard, and Gollum is identifiable by being the one that is essentially a duck.
I'm not surprised that the calendar-commissioning powers that be have managed to avoid using it until now -- when they presumably had no other option.