[impimp]

They failed to get off their island(s). This demonstrates why we need the economies of scale to expand elsewhere beyond earth in a few thousand years. Stagnating on an island was not the way to go.

[dog breath]

I had a thought once as a child that to colonize space we don't need other planets around distant stars we just need to learn to survive in space. Lots of resources in space to harvest if we can figure out the radiation, closed systems and weightlessness problems. Some problems take time to solve.