Dreher did not develop this perspective overnight; he's been wrestling with it for a decade.
From Dreher;'s perspective, Trump’s presidency only delays for a bit more time for Christians to prepare for the inevitable. "Don’t be fooled,” he tells fellow Christians. “The upset presidential victory of Donald Trump has at best given us a bit more time to prepare for the inevitable.” He predicts for traditional Christians the loss of jobs, influence, First Amendment protections and goodwill among neighbors and co-workers. He sees a very dark future. I think he's right. He wisely advises investing in churches, schools, and other institutions that will incubate our faith from a fatally corrosive mainstream culture.
He effectively argues that the last few years have confirmed an extraordinary cultural shift against conservative Christian doctrine, particularly with the rise of gay rights and legalization of same-sex marriage. “Christians who hold to the biblical teaching about sex and marriage have the same status in culture, and increasingly in law, as racists,” he writes. Their future will become increasingly grim, he predicts, with lost jobs, bullying at school, and name-calling in the streets.
While there are faithful evangelicals on both sides of the question whether Christians should withdraw from a culture seemingly hell-bent on descending into madness, Dreher raises some thought-provoking and valid points. His recommendation to withdraw from public education and form private schools where the faith can safely incubate in young minds is what I've advocated for some time.
Time may well prove the argument moot as to whether Christians should be figuratively building community arks to ride out the coming flood of judgment. Beliefs have consequences and very bad beliefs have very bad consequences. Barring national repentance on an unprecedented scale, faithful Christians will eventually be ousted from the culture at-large and forced (like it or not) to form into separate conclaves to survive. Either that or they will be assimilated into the Borg (i.e., "resistance is futile.") The Biblical worldview is irreconcilable with the one increasingly espoused by our culture. Choose this day whom you will serve (John 24:14-15).