Were you ever banned from CS:GO, if yes, why ?

I wasn't, and I hope never to be. Visiting an aimfrag server was scary enough as I got used to the crappy hitboxes - once I played a real match after that I suffered greatly. I don't want to ever hack because I used to hack on minecraft four years back and it was a real addiction - Thankfully, you don't need to hack if you're already really good at a video game. Getting accused of hacking is a great feeling.