It only is if you view everything through a political lens. Science and psychology, for example, are not political.
Plus you can affect change without the political system. Starting with improving oneself. Then family members. Then local community. If enough people did that, that would be a societal change and maybe we wouldn't have such a crisis in the first place.
Science is extremely political. Ask any PI who's written a grant or published a paper before whether they think science is apolitical.
Could you clarify? Do you mean to say that these fields of study don't yield results that have political implications? Or that these fields are impervious to political influence because...well I don't know, they aren't performed by humans?
Facts are facts regardless.
That and there is an incredible shortage of reproductions and garbage publications that are difficult or impossible to replicate with the available information.
[0] https://en.wikipedia.org/wiki/Replication_crisis [1] https://www.sciencedaily.com/releases/2017/04/170411104516.h...
These point to soft sciences, so I suppose my point doesn't stand so much for things like climate change publications, or evolutionary biology.