I think that most of the so called wealth is a bit of a hindrance to many in the church, mostly who seem to have mainly socialist/ left wing views. At the upper end of the church as you are referencing to the ceremonies performed are often linked to state occasions that make up our history and...
Many of the places are closing down anyway due to lack of interest, many have historical interest. Good luck on closing St Paul's, York minister and Westminster Abbey and relocating to the Nelson Mandela community centre.
Don't stop there, plenty who have accumulated wealth and property through history the Queen, Duke of Westminster and other landed gentry. Most bishops are targeted as being too left wing by politicians so I'm sure they will be glad you are putting up a counter argument.
The bishops in the House of Lords don't run the country but can have an influence along with the other Lords. They have a role in balancing parliament and can send back legislation for further consideration but ultimately have to bow to the will of the commons. Moves have been mooted to make the...