To Phil, I disagree with your hypothesis, and refer you, also, to my life's work

I think that's our answer, ladies and gents. Personally I'd call that a "no comment". It can mean one of two things:

The fella's a racist and scared to admit it.

The fella's not a racist and scared to admit it.

I'm bored with this. Off for a kebab and to listen a bit of bhangra.

Just because I can.