I did a quick search after the other replies came in, scientific consensus seems to be "more research required to be scientific about it, but looks like there are way less bugs about’
Sounds like it would be cool for some kind of quantum-leap holiday, but I think in general I’d rather have the relative comfort and lack of preventable pain that modern technology provides!
I get more of a school bully vibe from it. The stereotypical old person joke is “wife bad”, this sounds more like something a self-described “alpha male” would say.
On average the world is better than it’s ever been. Higher life expectancies, less war, better quality of life; it’s all generally on the up. Would you rather go back to the last financial crisis? When the ozone layer was being depleted? The interment threat of nuclear annihilation? Race riots? Women not being able to vote? High infant mortality? etc, etc