Example: You say one thing that you don't like about Obama, and they say you are racist and hate all blacks. Of course it isn't true. But they can't see it.
They also don't understand that you can be a member of more than one group.
Ingroup-outgroup bias. Aka the whole "quick devolve into tribalism" bit that radical lefties immediately aspouse to in any culturally relevant argument
They don't understand set theory.
Example: You say one thing that you don't like about Obama, and they say you are racist and hate all blacks. Of course it isn't true. But they can't see it.
They also don't understand that you can be a member of more than one group.
Ingroup-outgroup bias. Aka the whole "quick devolve into tribalism" bit that radical lefties immediately aspouse to in any culturally relevant argument