What do you think of it? Would you want it in your country? Most Americans don't understand it or like it.
Well of course it's nice, no religion should ever interfere with the state. But you also need to keep them under control so maybe what France is doing is even better
As a non-religious person, I solemny believe politics and religion should be - and they technically already are - two different entities that should never interfere with each other.
Even for religions, separating religions from politic is a guaranty for each cult of respect for the freedom of believing in what one wants. Nothing is more intolerant than a religious state that says to people what to believe and repress those who think differently. A secular government must only impeach the excess of religious extremists.
I think that church and government are two different and separated entities and each of them have their personal aims.
For this reason if it is true that the church mustn't interfere with the country's affairs the same is for the government.
Although I believe that the religious sentiment (in general, not only christian) is quite important for lots of people and so the country shouldn't be indifferent but tries to garauntee a peaceful cohabitation.