Governments care about food pathogens because ultimately they are held accountable by the people. They are not a malignant force, parasitic on society. Governments solve collective action problems by getting everybody to play by one set of rules and punishing people who don't.

I know what you say is popular in certain political circles, but it's a false idea about government. Worse, it's a cynical meme that corrupts people into making government less effective, by both stopping people from trying to hold government to account, and not trying to change the rules that governments enforce.

The best way to make your idea of government true is to stand idly by and do nothing.