>>I can reasonably guess that you are the owner of some business for whom labor is just a cost and taxation to support public goods is going to cost you more than it benefits you. That includes everyone from corporate interests down to small business owners. The rest of the republican base is those who can be induced to be allies of the above on the basis of race.<<

Frankly, this is just an example of the type of polarization the article describes. "If you support some X that I oppose, it is not because you have a principled reason for believing it to be beneficial, but rather because you are racist/sexist/etc."