If this person doesn’t trust you, you probably can’t get deep-seated beliefs out of them.

If they trust you, you have to make the slowly nudge them towards making the conclusions themselves. Ask a lot of questions, talk about how reigning in the corporations rather than unshackling them would be better at ending corporatism, and over time move towards more fundamental questions.

The ability to persuade someone of a viewpoint depends on how many assumptions, previously arrived at conclusions, and morals you share.