The music industry is now much smarter than it was in the days of Judas Priest, Black Sabbath, and Slayer. Your daughter is not likely to love Marilyn Manson and erect an idol to Satan in her bedroom. Your son will not likely consecrate his baby to Lucifer and baptize him in goat’s blood.
Overt Satanism is out of style. However, young people are likely to exchange their Christian faith for sexual license. The stats show that young people will likely exchange the sacramental life and liturgy for the liturgy of sexual experimentation.
And that’s exactly why this song has become an American anthem. The devil doesn’t needs a league of heavy metal Satanists. He’d almost prefer to have people mocking the Christian sacraments and ritual.
If God isn’t real “If the Heavens ever did speak” then the only goods to be enjoyed in this life are the pleasures of food and sex. That’s all there is left for humans to experience transcendence. Hozier gets it and he sings for us a catchy hymn.