Undaunted by the criticism, Ms Creswell said: “I guess Vance and Musk are very prominent people in our world today and extremely busy people.
“I’m rather delighted that they took the time out to research the exhibition and to review it.”
Others have praised the temporary installation, with Dean of Canterbury David Monteith saying it “intentionally builds bridges between cultures, styles and genres”.
Mr Monteith added it “allows us to receive the gifts of younger people who have much to say and from whom we need to hear much”.
“Above all, this graffiti makes me wonder why I am not always able to be as candid, not least in my prayers,” he said.