Instagram will notify users if you take a screenshot of their private temporary message

People are deeply worried that Instagram is tattling on them whenever they take a screenshot. See this inflammatory tweet as an example:
Instagram sends alerts when you take screenshots now: https://t.co/ZGnSEzcPil pic.twitter.com/n13nuc6uSF— Esquire (@esquire) November 28, 2016This story is slightly true but also incredibly misleading. As our own Casey Newton noted in his update on Instagram stories, the photography platform will indeed alert users when someone has taken a screenshot but