Sorry to hear that, but I call them like I see them.
I lived in Texas from age 18 to age 36. The first four years of that (1982-1986) I attended the University of Texas at Austin. The Young Republicans were a huge presence on campus, happy, youthful Reaganauts everywhere. And that weird fusion between conservative politics and Evangelical Christianity was already well along in Texas in those days. So over the years I heard over and over again how liberals were immoral, Democrats couldn't be trusted, that anybody who supported progressive policy [x] was in league with the devil. It was a comforting, self-valorizing stream of rhetoric for Texas conservatives that didn't have much grounding in fact, and for the most part brimmed with hypocrisy. And it made me very allergic to conservatism, even when my own political opinions were still pretty fluid. Such posturing and ad hominem attacks aren't the kind of posture someone arguing from a position of strength needs to rely on.
It's also the case that over the years, I've developed a strong sense of intellectual honesty and self-reflection. This is part of my atheism, part of my empirical outlook on life. I am certain that I fail at least as often as I succeed in upholding those values, but I return to them over and over again, as my personal touchstone.
In the years of and since the Reagan ascendancy, the Republican party, and many American conservatives, have lost their capacity for either intellectual honesty or self-reflection. At this point, in the 2010s, the GOP has transcended even the parody that people like me could see of what was happening in the 1980s. The stance against teaching critical thinking, for example, because it might undermine traditional values. That literally sounds like a joke, until you realize it's the real thing, from the Texas Republican Party platform. Or the fact that no major Republican politician will admit to knowing the true age of the Earth, or speak up for the extremely solid science behind evolution. This is basic reality. Not debatable policy points like tax structure or immigration form. Not legitimate ideological or philosophical differences. This is the world as it is. Which the GOP will not admit to, for fear of losing voters from its cherished base.
But once you allow doublethink and deliberate intellectual dishonesty into your worldview, there are no more brakes. Climate change denial is built on the same pattern as evolution denial, but driven largely by funding from major Republican donors. Like evolution denial, these are knowing, self-conscious lies, deceits and rejections of reality being pursued for short-term political gain.
Almost without exception, the conservatives and Republicans I know personally are decent, humane people who honestly believe that they're doing the right thing with their votes and their campaign donation dollars. But when you support a party whose political fortunes are based almost entirely on counterfactuals, from evolution denial to the idea that guns make society safer to abstinence-based sex education to supply side economics — all those and many more are cherished Republican stances that don't meet even minimal tests of provability in the real world data — you support a party that is contributing aggressively to the decline of American competence, as well as the decline of our technological and political leadership worldwide. Republicans are actively working to make our children stupider, cripple our science and destroy our economy. Anyone not committed to the ideology can easily see that. And the self-same lack of intellectual honesty and self-awareness required to be a Republican in the first place makes it overwhelmingly difficult for those decent, humane people I call friends to see what their votes and dollars are actually doing to America and the world.
Do liberal-progressives get it right all the time? Hell no. And the Democratic Party is frankly full of shit on a lot of issues. The 'Third Way' Democrats have been Republicans in moderate suits for years. But at least liberal-progressives have some sense of intellectual honesty and a grasp of the real workings of the world. And we're not working to undermine science, technology, education and culture in the name of continuing to generate enough angry white guys to keep our voter base motivated.
In the end, I'm not a Republican because I have self-respect. I can't vote for a party whose very basis is such continuous, profound and reflexive intellectual dishonesty. In a different political world, I might well be a conservative, but I can never be a Republican.