Earlier quoted context omitted.
[flagged]
As a tool, it's a wedge to break indoctrination and overcome bias. It leads to more pragmatic and less ideological thinking. The subject is compelled to contrast opposing views and consider the merits of each. Any use by ideological groups twists the purpose of the phrase on its head. The quote encourages thinking and consideration. You'd have to turn off your brain for this to have the opposite effect.
Well, it would not be too surprising that it can be used to, for example, make people think that they can trust science and also believe in some almighty, unexplainable by science divine entity.