It's exceedingly hard for me to feel sympathetic for people who use their religion as a shield for their awful behavior.
The article brings up the divide between liberal and conservative journalism. There is a case to be made that different outlets have different biases that skew their reader's perception of issues and their contexts. But Breitbart? Really? That's basically RT-level reality-warping propaganda, not journalism.
To answer the article's titular question, "What Can the Right Do After Gay Marriage?", the answer is pretty simple. Focus on economics and policy, not social affairs. Time and time again, history shows that social conservatives fighting to diminish the civil rights of other people ALWAYS LOSE. It happened in 1865, it happened in 1968, and it happened in 2015.