“There is no other motivation for you committing this offence that sensibly can be considered other than that … which Mr Boon heard … namely that you decided to continue what you had started because … you made clear by your conduct in mimicking the Asian voices that were trying to explain to you why it is that they had come to where they had because of the throwing of the eggs at the premises …. This offence was racially aggravated in the sense that at least it was partially so motivated …”