Well, bitcoin is not the only type of secret one needs to protect. GPG keys, other cryptoassets, password manager master encryption keys, etc etc.
I like to have one solution that can work for my entire cryptographic life.
I like to have one solution that can work for my entire cryptographic life.
SSS is a good solution for other key material, and for storing a paper key to be used for recovery purposes, but it's completely inferior to multisig for normal management of a shared and/or large Bitcoin wallet.