It's as if someone suggested that if DC were declared a muslim shari'a district, all the world's muslims would become peace-loving tolerant pussycats.
A waste of brain cells and printer's ink.
Neither is going to happen. Ever.
I dunno. Move the Al-Aqsa shrine, brick by brick, to Mecca or Medina. Or even Baghdad. It's been one before with historic structures. For example, isn't London Bridge in Arizona now?
It could be done. The question is getting together the players and the political will to get it done.