I don't think offence lies in having alts accounts, but using any of the alts to violate the rule of the forum, a good example is when you're abusing the use of karma, secondly is when participating in the same signature campaign with your alt account or when you apply for any contents which stated clearly as spart of it rules that alts account were not permitted and you intentionally did so, if we are doing something and our conscience from the other side is suggesting wrong idea over it, then we are likely to go against the law if we didn't take heed over it.