I reconcile it very easily. Union membership is a necessary evil for my day to day life at my job. Conservative policies are better for the country as a whole, the liberal policies since Obama took office have created record levels of poor people.
If private sector unions stick to employer/employee relationships and working conditions, then I'm all for them. But public sector unions are negotiating with the government, that is bargaining with other people's money, the taxpayers.
But here's how stupid our union, and many others are. During the Obamacare debate, the union was all over it. Even when the Cadillac Plan Tax was discovered, they wanted everyone to support it. Guess what we had, thanks to our union contracts. A Cadillac plan, that was going to get taxed as a penalty. We didn't pay for insurance for the first 10 years. The Cadillac Tax was supposed to kick in in 2014, but to appease the unions, Obama's cronies at HHS kicked the can down the road. As a result of the impending tax on our employer, the company said we need to start paying into our insurance, as a result of the soon to be realized tax penalty for the great insurance plan our union negotiated. So the union starts crying about the company trying to soak the union members, and completely ignored the fact they supported passage of obamacare, which causes the tax hike the company is trying to cover.
So now we pay into our insurance plans and people complained about how terrible the company was. Yet the union pushed for the law that caused the problem.
The other ironic side is I didn't start paying attention to politics and liberal vs conservative policy theory until I had been in the union for a few years. I can count on 1 hand the number of liberal democrat nut huggers that I work with, everyone else votes conservative.