How so? Now all will be ban for reports? I think that if everything is as the author wrote it is at least not fair either ban was pure coincidence.
He was obviously banned for ban evasion.
He already admitted that his alt account got banned for plagiarism.
Any attempt to create another account after the ban is also against forum rules and will get you banned as soon as you are spotted
25. Ban evasion (using or creating accounts while one of your accounts is banned) is not allowed.