There are studies out that the rise in extremism online is from a very small number of vocal accounts.
The vast, vast, vast majority of people in the UK love the multicultural land we all call home.
Yes there are pockets of evil tossers, and yes it seems that society has made it more permissible apparently to be able to spout poison with no consequences.
The racism was always there it is just, at the moment, allowed out of the box, but we will get it shut back in somehow.