The point is not whether everyone condemns it or not as no one is likely to come on here and say yeah I'm a racist.
The point is about discussion and making people aware of what is going on and in this particular incident what exactly went on.
Yes, you are going to get irrelevent comment in any thread, christ a lot of threads are entirely made up of irrelevent comment, but that's not a reason to lock the thread on such an important issue when lots of the forum members who were at the match have probably not logged on since due to being at work etc.
Indeed, we now have the discussion continuing on this thread, which tells its own story