Bear in mind that the lingering mass and inertia of big things in a process of slowing down can easily make it seem as if they're still doing fine along a certa

Bear in mind that the lingering mass and inertia of big things in a process of slowing down can easily make it seem as if they're still doing fine along a certain path, until they're suddenly not.. I doubt we're going to literally drive ourselves to extinction via ceasing to have children at all, but a diminishing birth rate that goes below replacement levels, and an eventual gigantic demographic shift in age averages and total population are going to possibly be worse for us than having more people.