There are many countries in the world without the particular border standards or restrictions that Canada has. The compassionate exemptions have been worked in through different family reunifications on a case-by-case basis in other countries. For example, in the U.S. you can actually just fly over right now to see a loved one who might be passing away.
Donna's rule, which I am suggesting, must be a federal government mandate to prioritize family reunification in times of crisis. We must not have a family say goodbye to their mother through FaceTime when she is dying. There must be Donna's rule to prioritize family reunification at a time of crisis.