One only has to see the disasters from the so called 'sexual revolution' to see the fruits of what he proposes: Abortion, broken families, promiscuity, older women deserted for young bimbos, fatherless kids neglected because mom has to work or prefers to work.
The church was "counter cultural" in the days of early Rome because of it's strong stress on purity; it would be stronger now if it again stressed purity and holiness instead of being an institution of "I'm okay you're okay".
Anyone reading the old testament knows about Balaam: When asked how to stop the Hebrews, he advised to get their women to work in the Hebrew men, and that when they joined the promiscuity of the local villages, they'd forget their god.
And one only has to point out the letters in Revealation says the same.
But, of course, the liberal wing of the Jesuits who run this magazine are not known for being Christian, so probably don't read the bible.
How the Church would draw youth seeking holiness and purity if it only could find its courage and its voice. You're right.