in SocialFI. An account is a string of code. All content within the account can be copied. The entire content of all accounts in the entire social circle can then be copied. This is used to commit fraud. So a decentralised domain name is needed to identify the account. To prevent fraud.
The web3 social network allows every user to connect with each other. To keep an eye on each other. Fight crime. It also prevents someone from disappearing unwillingly and inexplicably.