When was the last time you met somebody who only walked all thier life? Never rode a horse because only the rich could afford such things.
When was the last time you had no food? Starvation used to be a real problem. I'm not taking about running short at the end of the month, I'm talking about there isn't food for even the wealthy people.
Food today is safer than ever. You talk about poison, but that is pure lie, it might not be the best, but it isn't moldy because you have a fridge.
So better off today compared to 200 years ago.
He seems to focused on what happened in the last few decades. Your points seem to apply to a much longer time-scale.
> You talk about poison, but that is pure lie
I think it's fairly well accepted that the high obesity rates are caused by the shifting American diet. Yes it's more available than the 1950s (although I suspect not terribly so), but the effect it has on public health has been a nightmare.