Uneducated, Unaffiliated, Disinterested

The setup is simple: casting an opinion on the matter.

There are 3 parameters to evaluate between the person and the matter:

And the simple conclusion can be that all 3 parameters should be maximal to achieve a good opinion. But is that always the case? some counter examples that I have encountered in my life:

In short, what I would conclude is that in a given situation, it is useful to incorporate opinions that are either (somewhat) uneducated, unaffiliated and uninterested.