When I was a kid, there was a very respected brother at our congo. He was getting a doctorate in Hebrew studies at the U of Illinois, Urbana. Everyone was puzzled about why he was attending less and less meetings and raising questions about WT translations... He was written off as pulled away by a worldly environment. Nobody accepted that his studies exposed the NWT's atrocious mistranslating and he saw the hoax.
Also, college education is kind of a generational thing, in my opinion. High school grads forty years ago often went straight to work, where twenty and thirty-somethings today tend to naturally go to college after high school, as it's more necessary for a family supporting income.