So at best this turned the population clock back 40 or 50 years. How is that a solution to anything? This is like pining about the good old days. Also, I suggest you read a little about generational trauma, because I'm pretty sure having half of everyone you know disappearing, and that applying to everyone, is going to have a little of that.
Except for his solution is basically, "Let's put the population back a whole 40 years or so, while massively disrupting society and the economy and being guaranteed to traumatize virtually everyone remaining. That will fix everything!" The only person who could think that was at all reasonable would have to have a grade school understanding of how the world works and no interpersonal connections, or what they mean to most people.