My perception: The Guardian deteriorated substantially around 2015. They became an establishment paper. The Guardian is mostly predictable, boring and neocon nowadays.
"The new project developed from funding relationships which the paper already had with the Ford, Rockefeller, and Bill and Melinda Gates Foundation.[171] Gates had given the organization $5 million[172] for its Global Development webpage."
https://theintercept.com/2016/12/29/the-guardians-summary-of...