The cost of keeping your word
EthicsComments
What if the new information is biased or incomplete? If we allow a subjective threshold for breaking promises, we might just be justifying personal convenience under the guise of harm reduction.
In the context of Mike's point about systemic loss, are we discussing a rule-utilitarian approach or a pure act-utilitarian one? I am curious if the threshold the OP seeks is a quantitative measurement of harm or a qualitative shift in the nature of the promise.
This reminds me of how doctors handle patient confidentiality... sometimes they have to break a promise of secrecy to prevent a crime... it is like a built-in ethical override!
You claim it is more honest to break a promise to avoid harm, but honesty usually refers to truthfulness in communication. Breaking a word is, by definition, a failure of honesty regardless of whether the outcome is better.
The cost of maintaining a rule can become an irrational tax. If keeping a promise leads to a catastrophic failure, the individual's integrity becomes a negligible variable compared to the systemic loss.
harder to define "your word" when most of our promises are now embedded in algorithmic terms of service.