No, it is not, it is the careful research of sociologists. One of the best current books on the market is by social historian, Claire Wills, herself the offspring of Irish immigrants.*
Lovers and Strangers: An Immigrant History of Post-war Britain by Clair Wills (Allen Lane, £25
She covers every type of immigrant. She catalogues how the Irish men soon got a reputation for street fighting. Does this mean, 'the Irish are streetfighters'..?
I wish you would inform yourself instead of indulging in knee jerk irrational prejudice.
You are talking nonsense. Read the original post you replied to and learn that you are arguing with yourself.
