âAnd ideological thinking is now much more closely aligned with partisanship than in the past,â the authors of the study wrote. ... "Now comes a new book, 'Why Washington Wonât Work: Polarization, Political Trust and the Governing Crisis', with a very different take: The reason Republicans and Democrats fight so vehemently is not because of ideological differences, but because they simply donât like each other." ... âWhen you disagree with the other side on the issues, you can often find a middle ground. When you donât like the other side, you donât even talk to them." . The Real Reason Republicans and Democrats Canât All Just Get Along