There were 6 people killed one woman saw both her parents and her daughter killed in front of her eyes. Think about it. How would you feel if you were that woman. I think most people can feel some empathy. Its christmas today pick any three of the people around you to be killed in front of your eyes, doesn't feel very good does it.
You might not like the law it could be used for censorship and repression, but its not in this case is it? in fact its the complete opposite you are aware of what that little shit said and your probably not even in the UK.
He is unlikely to go to jail maybe not even fined but he has been publicly shown to be the worthless scrap of humanity that he is.
Some things are just not done, and are socially unacceptable this is one of them. When it comes to censorship and repression how about Edward Snowdon does his case count as an example?