The doctor who killed himself was an Australian man living and working in Australia. Australia has public, universal healthcare.

You realise this is an Australian doctor writing?

By that logic all food production and distribution should not be privatized because is should be for the public good rather then the profit of the few.

There are are arguments to be made about private or public but that logic makes no sense.

Some system that have many private aspects outperform other public systems and the other way around. And even in a public system many people will profit as many of the companies that are your suppliers are still for profit.