[saladeen]

While everyone is focusing on the bottlenecks and such that this might have caused in homo sapiens, the main thing for me is the relation between Toba catastrophe and the main human migration out of Africa, which came 60kya. My theory is that Toba killed off or severely weakened populations of other human species (Neanderthals primarily) that were claiming the areas in Middle East and thus blocking our expansion.

So instead of (or along with) having being a major threat for us, I think it's what enabled us to become the global species we are today.