bigotry
If a person is intolerant of other ideas, races, or religions, we call that person a bigot. The intolerance expressed by that bigot is called bigotry. Bigotry is ugly.

A leftist is intolerant of other ideas.

A leftist is intolerant of any race that they do not support.

A leftist basically is intolerant of all religions, except those that they support.

Do you not see how ugly you are?