Why do they make people helpers and mods on smallworlds

Hello there,
They make people helpers and mod on Smallworlds because they need people to help citizens of Smallworlds and also because when they are not around there are helpers to help people with their questions and they need people who know a lot of Smallworlds. They need mods so they can manage everyone's accounts incase something happens because the owners of Smallworlds can't do all of those and keep track of all the accounts can they? No