A third diplomat said Johnson's shock appointment meant few ministers wanted to have dinner with a man who caused deep offense during Britain's EU referendum campaign by comparing European Union aims to unify Europe to those of Adolf Hitler.
"There's a massive difference between leaving the European Union and our relations with Europe, which if anything I think are going to be intensified", Johnson, who was appointed to his post on Wednesday, told reporters the following day.
Johnson was booed whilst at a reception at the French Embassy on Thursday.
"People are experiencing a rude awakening after irresponsible politicians first lured the country into Brexit and then, once the decision was made, chose to bolt from responsibility, and instead go off and play cricket", Steinmeier said, referencing Johnson playing cricket at the stately home of Earl Spencer on the day after the Brexit result.
Education Secretary Nicky Morgan, Culture Secretary John Whittingdale and Cabinet Office Minister Oliver Letwin were other aides of former prime minister David Cameron dropped from the frontline and pushed to the party's backbenches.
The White House is pushing back on suggestions that her selection of Boris Johnson as foreign minister will be problematic for the U.S. Johnson had previously described Obama as a "part-Kenyan" who had an "ancestral dislike of the British empire".
"Boris Johnson will make a significant contribution to British relations with countries around the world and I'm particularly pleased that he has such a personal connection with Australia", Ms Bishop told reporters in Perth on Friday. Look no further than former US Ambassador to the United Nations John Bolton, who once said, "The [UN] Secretariat Building in NY has 38 stories, and if you lost 10 of them today it wouldn't make a bit of difference". He has apologized before and seems likely to do so again - he said after his surprise appointment that "the United States of America will be in the front of the queue" for his next apology, apparently because of his comments about President Barack Obama's ancestry.
While a majority in the wider United Kingdom voted for Brexit, a majority in Scotland voted for Britain to stay in the EU. Asked specifically about the French foreign minister's assertion that Johnson had lied during the referendum campaign, he suggested that Ayrault had taken a very different tone in private communications. The UK's Daily Telegraph predicted the Brexit under the new PM would be "tougher and more uncompromising" than it would have been under Mr Johnson.
The outspoken European Parliament chief Martin Schulz also slammed May's new cabinet, saying it was based on solving internal party splits rather than the national interest. "On this evidence, Theresa May will be prime minister for as long as she wants".
The German foreign minister expressed pity for British voters.
Despite a litany of gaffes and insulting slurs against everyone from Liverpudlians to the people of Papua New Guinea, Boris will be Britain's representative to the world.
Simon McDonald, Under-Secretary of the Foreign & Commonwealth Office, tweeted a picture of Mr Johnson's first meeting with staff as Foreign Secretary on Thursday.