Well, this one virtue signaling, social media SF dude says the 5.7 is the way to stop a mass shooter, so there is that.
View: https://www.instagram.com/tv/B17LBHvFezg/?igshid=bmly7wjitacw
And, wonder of wonders, it shoots a 40 grain bullet at 3000FPS (2:15 in). Wow. With good info like that, I wonder what else he's FOS about...