Is there any controversial position you have studied and rejected? Try arguing that as a control. Argue in a way worth refuting and see if people can. As kam says, check both people who agree and disagree with you.
Once you establish that people are unable to communicate justification for any of their views, then what? Don’t jump to the conclusion that they don’t have justifications. Why would they want to share with you? If very few arguments are floating around, you should not be proud of having considered all the ones you have encountered.
Is there any controversial position you have studied and rejected? Try arguing that as a control. Argue in a way worth refuting and see if people can. As kam says, check both people who agree and disagree with you.
Once you establish that people are unable to communicate justification for any of their views, then what? Don’t jump to the conclusion that they don’t have justifications. Why would they want to share with you? If very few arguments are floating around, you should not be proud of having considered all the ones you have encountered.