Your points are spot on, however I'd just like to add the following clarification for any stupid people who may be among us. The official Government position on Sharia law over here is that it is not recognised as a legal system and in such cases where it is found to be practiced, UK law takes precedence every time.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'