it’s code for “i think”
They teach them that in gerbalism school:
`Hewing To The Party Line’ by Dr. I.M. Kooky
Chapter 4. Citing Non-existent Authorities
“If you ever want to beg the question at issue straight-up, you can simply, well—you can pull just about anything out of your a** and run it up the ol’ flagpole by starting out with, “Some say ... “.