Shen Li wrote:
We were getting people that were being banned for MFK on Jailbreak, and then returning on a family shared account to reoffend. Doldol coded a mod to ensure that this happened. Although Doldol is gone, it's still a useful mod that doesn't allow people to come back as easy.
The problem isn't the mod itself, he's saying that he's bought CS:S on a new account, so he isn't game sharing, and he can't log in.