They do get health insurance. However, it is paid as part of the general German welfare system (hence, tax money) and not by the employer. As far as I know they

They do get health insurance. However, it is paid as part of the general German welfare system (hence, tax money) and not by the employer. As far as I know they get the same retirement compensation as if they were unemployed. (Not so sure, there) Social security benefits however are a rather alien concept to Germans in general. Healthcare and retirement compensation are government regulated, so individual companies do not need to provide special bonuses to make the system worthwhile.