And yet the markets are collectively passing a verdict on Starmer and Reeves's economic plan right now and it isn't exactly a ringing endorsement – and wobbly markets can prompt political wobbles.

Bush declined to throw his support behind the ostensible leader of the Republican Party during the presidential election, offering no endorsement for any candidate.

Mr Bezos wrote an opinion piece explaining that blocking the endorsement was necessary because of growing public perception that the "media is biased."

He hoped to build their political apparatus so that in five or 10 years, conservative candidates would be seeking the Oath Keepers’ endorsement.

The Los Angeles Times, whose owner Patrick Soon-Shiong is also depicted in the now-killed cartoon, made a similar move and said the newspaper would not publish its endorsement of Harris in October.