Those authentication providers require you to do the same Google/Apple OAuth certificate configuration yourself, and you even have to pay the 99 euros for Apple.
SAML/SSO is indeed finicky, but the problematic part (mapping attributes) is often done by IT teams, ESPECIALLY if you use a third-party provider.
SAML/SSO is indeed finicky, but the problematic part (mapping attributes) is often done by IT teams, ESPECIALLY if you use a third-party provider.