The planet has survived sudden and dramatic climate shifts before.
For example, the asteroid impact that killed the dinosaurs caused years or decades of impact winter. The planet survived fine. The non-avian dinosaurs didn't, but the planet did.
That comment isn't saying that what's going on now is a normal cycle, but rather the natural response to a non-normal event.
You’re severely downplaying (not even mentioning) the unprecedented by an order of magnitudes speed at which we’ve bought about the end of this epoch.
Nothing about this is natural or cyclical.
The planet has survived sudden and dramatic climate shifts before.
For example, the asteroid impact that killed the dinosaurs caused years or decades of impact winter. The planet survived fine. The non-avian dinosaurs didn't, but the planet did.
That comment isn't saying that what's going on now is a normal cycle, but rather the natural response to a non-normal event.