There are enough solid systems (such as keycloak) that implement standard mechanisms (such as OAuth2 or OIDC) that using a service that continually has issues (as noted by the gp) should be justified, not assumed (having an SSO system should not be conflated with a specific provider).
Comments
There are enough solid systems (such as keycloak) that implement standard mechanisms (such as OAuth2 or OIDC) that using a service that continually has issues (as noted by the gp) should be justified, not assumed (having an SSO system should not be conflated with a specific provider).