Here in Australia we rescue our fair share of sailors. ( Normally singlehanded Europeans in the Southern Ocean
Like I said Paulo it is a wonderfully emotive discussion, every-time it happens here people run that kind of line. The same people would think nothing about dialling our 911 equivalent on land if in the course of pursuing their lifestyle they found themselves in harms way.
Incidentally we kind of do what you are suggesting unofficially. Here in Australia if you get in trouble along the coast, you will most likely be 'rescued' by a volunteer organisation known as Marine Rescue. After your tow back, there is an unofficial system in place where you are strongly encouraged to perhaps make a sizeable donation their way