Tenure also allows the researcher to keep digging that rabbit hole that he/she is specializing in without fear of one day having to work in "the real world", wh

Tenure also allows the researcher to keep digging that rabbit hole that he/she is specializing in without fear of one day having to work in "the real world", where that very specialized knowledge is essentially useless. (That came out like it's a bad thing, but it's not.)