With 1-4, if you live outside the US, you could be forgiven for thinking we have that now, (assuming you meant "super elitists" - I don't think I'd have much to fear from a bunch elite late evening meal eaters!!!)
Ultimately we must move into space to ensure the survival of our race. Having everyone on a single planet is always going to be a risk. That said, I would gladly sacrifice a few years or decades of progress in space if it meant solving your point 5.