Its not ABC logic its Databook logic
Deidara has 3,5pts - was fodderized by MS genjutsu
Kakashi has 4pts - was fodderized by MS genjutsu
Orochimaru has 5pts - was fodderized by MS genjutsu
Jiraiya has only 3pts.......
Itachi/Sasuke fodderizes him in one page.
Thats why Jiraiya never met MS...