It literally can't be reversed...
Like, that time has passed, literally. Historically this is one of the ways society tries to self correct. Shitty times means less people have kids, less kids means less workers a generation later.
Less workers mean workers have more power, wages go up, housing goes down, and they feel secure and have a "baby boom". It's not even unique to humans, other animals and even plants go thru similar cycles with resources.
We're just cycling really fucking fast these days, and it won't take many generations for AI to actually be able to replace an average human. We kind of need to fix shit and hold onto it for as long as possible.
I know it always feels like "this is the last fight" but we're coming dangerously close to it actually being true.