It's a non-original title, but Wiktionary for example lists "presenting an opinion as fact" as a necessary requirement to call something "editorialized": https:

It's a non-original title, but Wiktionary for example lists "presenting an opinion as fact" as a necessary requirement to call something "editorialized": https://en.wiktionary.org/wiki/editorialize#English https://en.wiktionary.org/wiki/editorialize#English