In this phase of "post-secularism," there are two cultural interpretations of Christianity in particular that are at odds with each other. Both seem reductive to me.
The first is the one that treats Christianity as a civil religion, as mere ethical cement, capable of acting as a social adhesive for our democracy and for the European democracies in grave distress. If such a position is plausible in those who do not believe, its structural insufficiency should be evident to those who do believe.
The other, more subtle interpretation is the one that tends to reduce Christianity to the proclamation of the pure, unadorned Cross, for the salvation of "everyone else.