Mark Biddiss, who started a social media campaign to get Ding Dong The Witch Is Dead to number one in the charts, said buying the song was "a very cathartic experience for a lot of people who feel that for many years they haven't been listened to".
He was joined on ITV's Daybreak by former Conservative MP Jonathan Aitken who said the song, which is on course for a place in the top five in Sunday's Offical Chart, was a "pretty feeble form of protest".
More top news
Travellers hoping to get away for the Easter weekend are being warned of potentially serious problems on the road and rail networks.
Left-footed footballs, backwards web searches, police camels and an eco-friendly Jeremy Clarkson are among today's traditional tall tales.
There was an "alarming" increase in the number of death sentences issued around the world last year, Amnesty International has said.