So hello, I'm a silver 2 player who came back to the game just a month ago, i just want to improve and I have some questions for you guys. - If you were low elo or it's your first tactical shooters, do you recommend any aim routine, if so,...

Like the title says the only ban you can get from trolling/telling positions/attacking your teammates and all griefing etc is chat ban. I haven't seen a single cooldown/ranked ban on anyone or ever even heard of one, except for cheating. So...