You don't just 'get' a permanent ban, you are banned for breaking the rules.
The rules kick against pliagarism and it is unethical and frowned upon in any space whatsoever.
Your email did not reply once.
I am surprised at such a negligence of the forum to users
The email is not very prompt in replying, but nothing can be done for a permabanned account.
The thread containing the forums rules and guidelines; https://bitcointalksearch.org/topic/unofficial-list-of-official-bitcointalkorg-rules-guidelines-faq-703657 serves as warning to rule breakers.
Copy and pasting others work and presenting it as yours is a serious violation.