As humans we naturally tend to categorize and compartmentalize. Political left vs right. Male vs female. Race A vs race B. The danger arises when people exert pressures to coerse those that do not conform completely in one group or another. The result is a disturbing lack of middle ground in a culture full of false binaries where individuals lying outside of these poles are often marginalised, ridiculed, or worse are faced with violence.
The following is a visualization of this polarization.