I didn't think AO's point was hard to understand either.
I thought he was asking what religion are you "officially" and do you currently "practise" stated religion. If not, why not? I didn't detect any tone of elitism. Just a request for info.
To answer the op, I'm not athetist...I'm an agnostic (does that disqualify me), who is officially Presbyterian, and semi-officially Baptist (was "born again" at 15).
The reason I don't "practise" is for what is essentially a fringe organisation these days (or at least in the contries I have resided in) they have questionable moral practises, and can be down right hypocritical, and I detest the amount of conformatity that is imposed with the community.