The right likes talking about it because it's tinged with racism. It's not just that the birth rate is falling, but that white people in particular might be out-reproduced. That's what underlies the hysterical level of their claims of collapse.
And that works for them, at the ballot box. But progressives won't triumph by letting the right set the agenda. We need to set our own agenda: the climate, the economy, a sane national conversation, etc.
It is less about sheer number of people and more about the ratio between those that can work (young) and those that cannot (old).
Abortion bans that literally kill women and lead to unwanted babies are one supposed sulution. Male as a head of household traditional familly another.
Oh, from heretage foundation .
1) free healthcare
2) cheaper housing
3) parental leave rights