Delay has a cost, even when nobody sees it.
When a safer technology is held back, the people it would have saved never make the news. We count them anyway.
A death in a crash makes the news. A death that a better system would have prevented does not, because nobody can point to that person. That makes delay look free to the people who decide on it. Our paper The Cost of Waiting will estimate that loss per member state, with the method in public.