2 observations
1) Any racism needs to be dealt with, whenever it occured. It stands to reason though that that the response to a one off instance of racism a decade ago should not be the same as the response to repeat instances of systemic racism over that period. And in most justice systems, accepting wrong doing immediately tends to recieve a more lenient sentence than prevaricating for weeks and months at a time
2) It's very notable that there are certain posters who had nothing to say about racism this week, a week in which one of the most decisive and transparent exposes of racism within Britsh society in the 21st century has taken place, but seem very anxious over it today.
I wonder why that could be