The downside of ‘cradle to grave’ BS socialism is people don’t feel the need to have children to protect them when they’re old. Why? Because they have ‘the state’ for that job.
People wonder about getting poor Africans to stop having large families they can’t afford to feed? Easy. Give them ‘social security’ for 50 years... and twenty dollars a month if they have two children OR less. Zero if they have more than two children.
Incentives work.
If Germany wants young families they can start by ending the 30 days a year vacation package offered day-one of any job.