Why is the status of the parent OKR not calculated based on the child KRs' status?

For the Ally.io organisations that were created on or before May 8, 2020, when the status is derived based on ‘key results’, the status of the parent objective is set based on the status of the key result. We have now updated from this model based on the requests we've received from our customers. The status of OKRs will be determined based on the progress of that particular objective/key result and not based on the status of key results. If the organisation was created after May 8, 2020, it will follow the later approach.