Two defined camps and pros and cons for both!
At least with the SAPol line, it prevents people who think they are 'doing the right thing' from contacting family with bad news - prior to the experts in the field assessing and stabilising the situation.
However,
It appears from on-line newspapers that other states and countries are supporting it whole heartedly and encouraging the concept.
If it's there it would be useful if used correctly, if it's not, there are the traditional, slower methods, that have the same result, over time!