I'm sorry for using this image, but everything about the Celestial Dragons makes the Marines look like this. It's a well documented in-universe fact that if a Celestial Dragon takes any interest in you, your ass is grass. And despite this, you have even the most lower-ranked Marines ready to defend them with their lives. Do you remember the image of the Marines before the Celestial Dragons debuted? Sure, you had bitches like Nezumi, and there was a hint of malice with Akainu's brief appearance during the Ohara flashback, but it was nothing like today, where Marines will look past the horrible things Celestial Dragons do.