Earlier quoted context omitted.
It helps to give power to people who care about doing the right thing, instead of to people who don't care. Democracy tends towards the former, but capitalism tends towards the latter.
In this situation I don’t think you can attribute it to capitalism because Boeing is a defacto monopoly. Capitalism should lead to competition. Competition should lead to alternatives when one of the market participants has quality control issues.
Only in a free market. Very few markets are truly free. And large concentrations of capital tends to make markets unfree.