It’s well-known that Christianity in Europe is on the decline; links confirming this trend are easy to find. (For example)
Why, then, does this writer assert that: “Today in Europe, we have become if anything over-Christianized”? Read the article to understand his thinking.
I am reminded of a passage from G K Chesterton, written circa 1908:
The modern world is not evil; in some ways the modern world is far too good. It is full of wild and wasted virtues. When a religious scheme is shattered (as Christianity was shattered at the Reformation), it is not merely the vices that are let loose. The vices are, indeed, let loose, and they wander and do damage. But the virtues are let loose also; and the virtues wander more wildly, and the virtues do more terrible damage. The modern world is full of the old Christian virtues gone mad. The virtues have gone mad because they have been isolated from each other and are wandering alone. Thus some scientists care for truth; and their truth is pitiless. Thus some humanitarians only care for pity; and their pity (I am sorry to say) is often untruthful. For example, Mr. Blatchford attacks Christianity because he is mad on one Christian virtue: the merely mystical and almost irrational virtue of charity. He has a strange idea that he will make it easier to forgive sins by saying that there are no sins to forgive. Mr. Blatchford is not only an early Christian, he is the only early Christian who ought really to have been eaten by lions. For in his case the pagan accusation is really true: his mercy would mean mere anarchy. He really is the enemy of the human race– because he is so human.