Paternity should always be established by DNA testing.
The natural father is financially responsible for half the cost of upbringing, unless the responsibility is transferred by contract during adoption.
You could spend millions to collect bupkis.
This has been brought to you by the Democratic welfare state, fully supported and funded by Republicans.
Enjoy your unicorns.
A lot more will be on the hook for child support. It'll be fun to watch them have to pay up.