A whole heck of a lot. But I also disagree with a whole heck of a lot.
One way to understand what Heidegger’s project was is that he philosophically addresses how religion is possible without being explicitly religious. One holds their Dasein out into death, we are beings-unto-death. This is a different way of formulating the mysterium tremendum of Christianity. And Heidegger gets a whole lot of mileage out of this concept. Post turn, he looks to the possibilities of Greek religion, under and behind all the influence of Rome, behind the subjectum to the hypokeimenon.
