It has started to become acceptable to be racist again. It was always there, but we were making some progress shunning it. We ar given messages - some subtle, some not so subtle - that it is ok to be racist. Brexit made it fashionable to be racist and islamophobic along with a whole load of other distasteful stuff.
Raheem Sterling has to deal with a lot of racism in football. He then has to keep highlighting racism to teach the wilfully ignorant. Why is racism still so acceptable in this day and age?