Einstein is purported to have said that no problem can be solved from the same level of consciousness that created it.
If you accept Einstein's point of view, then the Church's problems cannot be solved without an enhanced change of consciousness. The failure of the Church to permit change especially in individual consciousness will result in its demise. We are seeing it unfold.
I think Monica's suggestion that we, the People of God, take responsibility for our faith and form our own communities (as the early Churches that Paul helped form did).