I changed the ban to 60 days + 1 year sig ban seeing as it's a post from years ago and you seem to have contributed decently since.
A sig ban is useless. People are naive
A lot of the banned users are already using another account and they won't come back to use the previous
Good luck to them trying to build a high ranking account from scratch. It's not as easy as just creating a new account like it was pre-merit days.