> Those health freaks would do the right things why? Why would other communities not seek to stop or block them from doing what they are doing (these experiments would have at times pretty dire consequences)?

It's research and rediscovering a field. Of course they'd get a bunch of stuff wrong. That is how medical research works; people try things that don't work all the time.

And we're imaging a world with presumably no antibiotics. Nobody cares if people are accidentally killing themselves, death lurks behind every shrub.

> Why hasn't the internet brought insane advances in science if it is such a force multiplier for it?

... have I dropped into an alternate universe? The rate of scientific progress is unreal right now. We're progressing at a pace that is unparalleled in human history at a global scale. There is even a risk we'll obsolete the human mind this decade. Something has been force-multiplying scientific progress.

I suppose I should say technological progress rather than scientific, technically science has been slowing down since they've discovered most things. Maybe that was the point of confusion here. But the rate of knowledge dissemination is resulting in massive quality of life improvements that mean outcomes on the ground are improving in unreal ways. Look at the dissemination of things like iPhones for example.