Yea, basically we Americans are too stupid to understand the complexity of different political systems, so most of us boil it down to Left/Liberal/Democrat/socialist/communist/ect and Right/Conservative/Republican/fascist/Libertarian/nazi/ect with everything I just mentioned supposedly existing on opposing sides of one imaginary line somehow.

Also, the Republicans and Democrats are the only two political parties that have (or for the time being, can have) power in the us, because of the two party system, which makes the problem worse.