On the plus side, we have rule uniformity.
On the negative side, there are unlikely to be moral or genre qualms about a non-combat 'coup de grace', so allowing them is likely to make complete victory in non-combat contests very common, which might seem bizarre. For example, complete victory in climbing a wall means the hero will never again have to engage in a contest to climb that wall: the hero will henceforth have an automatic success.
What thinks the list?
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