Oh well-—at least they will have agreed via signature to be deportated should they decide to attempt to subvert our rule of law for claim sharia law within our nation and get caught at it...it would at least give us the ability to kick their arses out without fanfare.
Who in the UK is actually going to execute the act of physically throwing them out?
The Police? The Army? Parliament?
If the enemy is 20% of the general population, they have already reached critical mass. There won't be enough people willing to do anything except study the problem. in the mean time a generation goes by and you are outnumbered.