"
Interesting" is a kind of linguistic connective tissue. When
introducing an idea, it's easier to say "interesting" than to think of
an introduction that's simultaneously descriptive but not a spoiler. I
hear
interesting all the time at conferences when someone is
introducing a speaker. I hear
interesting on the radio, when a
host introduces an upcoming interview. These flighty little protocols
happen so rapidly that they transit almost below the level of conscious
discourse, serving only to prime me to pay attention.
In practice,
interesting is a synonym for
entertaining.
...What's the result of society's increasing emphasis on entertainment
over substance? Novelty and innovation are valued above rigour; boring
truth loses out to flamboyant falsehoods. I see it in today's click-bait
headlines, and even in the practice of science.
-- Simson L Garfinkel. "Whatever you do, don't call this an 'interesting' idea" Aeon (20 February, 2017)
https://aeon.co/ideas/whatever-you-do-dont-call-this-an-interesting-idea