HuwG says, "I don't know whether there is less racial antagonism involving immigrants from the Commonwealth than in the rest of the UK, or whether it is masked by sectarian tension"
We still find time for a bit of racism, I had Chinese friends for neighbours, and have heard the stories of what happens to the Chinese community, from both sides. This leads me to believe that no matter what, there are those among us who crave violence, and the use any excuse from being loyalist thugs to republican/nationalist pretending to fight for their cause.
We have all the ills of society but we do not let it get in the way of knocking seven colors of chicken poo out of each other in the name of a cause.
The English were never caught with their trousers down, it was the other way round, we were being treated like unruly children and some still do not realise that. Sort of like "you can't get along we will separate you".
Such ethnic cleansing is not uncommon in Ireland as many Jewish quarters in Ireland were cleansed by the Catholic church, such little incidents are ignored to enable people to take the high moral ground. Common trait on both sides.