He's part of a massive shake up of the civil service, it could be he's actually quite good at this part of his job. Yes he can be a bellend and I'm not the greatest fan of his general persona, but he's not a member of the Conservative party. I'm not overly concerned he's unpopular with journalists and a number of high ranking civil servants or politicians. They're not very popular with me. They want him gone because they see him as a pain in the @rse who expects them to do their jobs. He also has a habit of telling them what he thinks. They don't want him because he's not a fan of the established order and he won't cow down to them. This makes them uncomfortable.
A little light reading courtesy of the BBC.......
https://www.bbc.co.uk/news/uk-politics-49101464