"are the green checkmarks verification"

lawful good: responding with a detailed explanation of how they actually work and why it's the way it is
neutral good: "no, they're just emoji!"
chaotic good: "yeah here's your own! [sends a checkmark emoji] put it in your name!"

true neutral: "no"

lawful evil: "yeah, you'll have to send a message to [fake support user] to get one"
neutral evil: "yes"
chaotic evil: "actually they mean that person's an admin"