Incentivizing people to have children is pretty important for a society to continue on. Most societies are based around there being more young people than old people. When you reverse that, you historically don’t have enough people working to keep the country chugging along.

You would be surprised how many people actually cost the state money instead of bringing in money via tax in some countries. The problem isn’t the few unemployed people who could potentially work, the problem is that wages between high earners and low earners are out of proportion.