Christianity's decline is mostly due to American parents not indoctrinating their children into superstitious religious beliefs at a young age. And then those children will become parents and fail to indoctrinate their children.
Of course this has already been happening and religion has suffered greatly by the loss of customers.
It will still stumble along for years to come but at very reduced levels.
Of course this has already been happening and religion has suffered greatly by the loss of customers.
It will still stumble along for years to come but at very reduced levels.