Run clause searches in the book of James for person:James the brother of Jesus, and person:James the Less. 16x pronouns and verbs with the author as the implied subject are tagged as James the brother of Jesus, 10x as James the Less. See also Galatians 2:9 which is mis-tagged.
While there is debate about the authorship of James and whether it is pseudepigraphal, no-one seems to be arguing for James the Less as the author...