As I said, the Divorce Act usually says the court “may” make an order. It would be problematic to change “shall” to “may“ here, because there could be an issue as to whether the court may make an order that is in the best interest. We would have to clarify that the court may make an order respecting access. Then it would have to be clarified, if it does make such an order, that it would have to be in the best interest.
It wouldn't be a simple change from the word “shall” to “may”; it would require bit more work.