It may shock you, but rules and welfare were invented by humans, for specific goals. If the goals are not fulfilled any more, it may be time to change the rules

It may shock you, but rules and welfare were invented by humans, for specific goals. If the goals are not fulfilled any more, it may be time to change the rules. That phenomenon is called "welfare cliff", and it should be addressed if politicians wants to make part time jobs easier for both employers and employees.