Singapore is the peak in modern civilization building given modern params, dealing with multi-racial shit on a practical level, etc...
I think it will be the most effective of such measures, but its certainly not the true solution for birth-rates issue.
I think my gal Debs is closer to the truth and God willing, may get to implement it in Brazil (and later spread it) should Flavio Bolsonaro win.
Her view is based on comprehending foid behavior is just nihilism manifest in women, and that we need to give women a religious narrative purpose for reproduction. She exemplifies how Iran weaponized women to support the revolution (that later swallowed them). She has been applying it during Flavio's electoral campaign by counseling him with how to handle the female voters, his female support numbers are higher than his father's and scaring the leftoids.