Every visualization have some kind of bias in what data is used. How it is categorized. Mapped to colors. Projected on screen. Mapped on to a world map which itself is biased. Etc. etc. But compared to raw numbers or text the quantity of information that can be chucked into a picture is magnitudes greater. And it is immediately understandable and invites to further exploration in way no other media does.
Every visualization have some kind of bias in what data is used. How it is categorized. Mapped to colors. Projected on screen. Mapped on to a world map which itself is biased. Etc. etc. But compared to raw numbers or text the quantity of information that can be chucked into a picture is magnitudes greater. And it is immediately understandable and invites to further exploration in way no other media does.
I really wish we had more of this.