The pre market is looking brutal: https://www.marketwatch.com/investing/stock/sq Those puts are going to pay off handsomely.
Looks like it's an easy way to make money, SEC won't do nothing of course.
Also, if markets don't move following such a report short sellers stand loosing a ton of money, even if they are right.
Among other companies brought down, rightly so, is Wirecard. And they played the "mean, evil short sellers try to manipulate the share price"-card hard. So, shoet sellers do have a place in our modern financial system.