Twilight of the Established Church in GB.
The die was cast when the Oxford Movement failed to take hold and drag Anglicanism back to historic Christianity.
Of course, from one point of view, the ‘Bishop’ of Birmingham is just expressing what has become the actual established religion of Great Britain, where everyone reads Dawkins, thinks anthropogenic global warming is a huge problem, and only goes to church when the setting for the Sung Evensong appeals to their aesthetic sensibilities.