A rulebook scrapped with two-thirds of its planned existence remaining and the disintegration of a 'world championship' - yet everyone's a winner from one of modern motorsport's greatest acts of martyrdom.
How did it come to this? Just four years ago, revolutionary new machinery was supposed to signal the start of a new age for one of the world's most popular racing categories.
Now, with two years remaining in a second three-year cycle of rules, that chosen path has been abandoned in favour of a low-cost alternative - based closer to standard production models - created by the series' original founder after his split from the championship.
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