> Hitler
The rise and fall of the Third Reich is a perfect example of the counterbalance effect within our species, which longevity has little bearing on-- for every psychopathic, misguided or downright evil person bent on causing suffering & death, there are people willing to stop them. These people's longevity & capabilities will increase with those of the bad actors.
> I am slowly starting to believe the biggest threat to mankind are idealists living in their own tiny little mental bubble
Without them, we wouldn't have anything resembling the technology and social progress we've seen erupting like mad for the past couple hundred years. Is it a temporary phenomenon? Will we see another massive decline into an even more terrible 'dark ages'? No one knows. But dwelling on all the things that could go wrong is not how progress happens.
> Next time you'll have an idea how to singlehandedly solve all mankind's problems, sit back, think about it...
I don't know anyone who really believes they can do this, and I certainly wouldn't trust myself for the job. I give a fairly high probability that we kill ourselves off. However, predicting the future is a fool's game, and focusing on only the negatives is the practically the definition of self-defeating behavior.
> For some reason, world still works as it does.
It absolutely does not, our predecessors from 200 years ago would find the world we live in now fundamentally different to a very jarring degree on multiple levels. You can say that our basic social and governing structures are 'the same' if you use some crude metrics, and if you proposed that we've all been bossed around by the same secret society for thousands of years I might even entertain the notion, but 'the way the world works' changes in dramatic ways constantly. If it didn't, no school would ever need to update its curriculum.