I hate the global "good" responses to this.
Even if the world is overpopulated, a slow and managed decrease over time should be the aim, if we want to avoid a collapse of the welfare state.
If you think that the state pension, disability benefits, socialized healthcare and public spending generally should all be axed, well then yeah, it is "good" I suppose.
But if you can find it in you to care about alleviating human suffering, particularly for your kids or grandkids, then sudden cliff-edge population collapses are an awful thing.
Yes, we have relied on immigration to keep ourselves afloat, but its unsustainable - almost all countries (including those who we tend to recieve immigrants from) are showing marked declines in birth rates.
And no, it isnt just about the current cost of living - birth rates have been declining for decades now.
We need to encourage people to choose to have larger families again and, while the cost of living is no doubt a factor, we likely need to actually incentivize people to have kids - be that through money, childcare of whatever else.
What we cannot allow, though, is for women's rights (to work, if they wish, and make healthcare and reproductive decisions), which I fear is the solution those further to the right are eyeing up.