We actually can't change someone's values by talking with them. We could possibly affect their values by doing things with them. But more immediately we can show them that the values they currently hold are consistent with more options than they realize.
Stumbling and Mumbling: Conservative arguments for radical ideas, 2020-Jan-03 by Chris Dillow
...we don’t persuade people by telling them that their worldview is wrong and by demanding that they change the ideas of a lifetime. We are more likely to succeed by showing them that their ideas are consistent with things they might not have considered.
Here are some examples of what I mean....
Worker ownership. This sounds like a radical idea. But it’s not – and not just because law and accountancy practices are routinely owned by their workers. One inspiration for it comes from Hayek’s important point, that central planning is impossible because economic knowledge is fragmentary and dispersed. Worker control, more than hierarchy, can mobilize such knowledge. Hayek’s key insight – “you don’t know what you are doing” – is a challenge to top-down managers.