Subjectivity renders the harsh lines of the physical world blurry when seen from an individual viewpoint. One person can find great merit in an idea, an object, or a person. Another individual may have an opposite opinion, despite having the same objective evidence to study.
An important mental note I've revisited of late is pretty appearances easily conceal ugly realities.
Another important note that makes navigating a reality full of subjective viewpoints and pretty appearances just a little bit easier is trust your sense of smell.