If we look at history, humanity has been through some pretty crazy shit and we haven't gone over the waterfall yet.

I dont want to go through ANY of that crazy shit. And I dont want my kids to go through it either. And based on hostory, violent, cruel, oppressive shit can take looong time a hit huge amounts of people.

On the contrary: we've fall off waterfalls every few decades or so. Humanity simply survives and moves on, taking maybe 2% more caution for the next waterfalll