Earlier quoted context omitted.
The key phrase here was 'aging population'. If the majority of Japan's population are retired then there will still be a huge deficit. Japan needs to bite the bullet and accept immigration as part of its economic strategy.
Immigration will not solve the problem of aging population. In a generation or two, the immigrants would face exactly the same problem. Because with immigration, you didn't solve the underlying cause of why people don't have kids. You just muddled the observable status for a while.
Exactly. And the cause is the mutually reinforced effect of capitalist consumerism and feminism.