wasn't the copypasta. it was you (or andrew, who knows) trolling and flaming over the course of two weeks.
If it is indeed andrew that is responsible for most of the troll posts/ troll reps you have done, I will seriously reduce your warning. Even though, you are to blame for Andrew having accessed your account and you, for some reason, not realizing/saying "halp andrew accessed my account" just as you were banned.
Don't you think it is a bit suspicious ?
Even then, if Andrew accessed your account just a few days ago and not a few weeks ago, you are responsible for the trolling and will not get a reduce.