Before any account will be issued permanent ban there have been at least two times warning which includes temp ban for at least 7 days and lastly maybe 14 to 30 days temp ban and if you go against the rules again then there comes permanent ban, although I don't know if actually it was so to you but i don't think the forum mod would go straight to ban you with or without any reason that calls for the ban.
Checked your post history quality — seems like you're not the type of user where Theymos might give a second chance because of some sort of post-quality redemption ark. I honestly don't see anything of quality. Sorry bud.
The user may have a very slim chance because to me is been 5 years why op didn't put effort to restore the account then.