"I do bitterly resent it when people of any kind are attacked because of something that is no fault of theirs - like who their parents are.
"Why should your background be held against you? It is so short-sighted.
"There are plenty of reasons for disliking people, but this tribal aversion to anyone with a posh voice is very boring."

Alexander Armstrong - chippy sort of cove - what! Yes, there are plenty of reasons for disliking people, for example, their membership of an organisation like the Countryside Alliance. Or their killing animals for pleasure.
Apparently Mr. Armstrong is known as Xander. I take it that familiar forms such as Alec, Alex, or Sandy are too lower class.