Dark versus light. Good versus evil. Positive versus negative. The battle between opposing forces has most recently been highlighted by the latest Star Wars movie release, but applying polarized judgments to real life is hard.
Things are rarely as clear-cut as good fighting against evil.
Moreover, there's often value in understanding the differences between dark and light, and the nuances behind a positive or negative opinion. And that's why preserving the right to voice such judgments is important.
The provisions of the proposed Consumer Review Freedom Act for online reviews are a step in the right direction.