Only Rich People can travel quite quickly and easily.
Try getting citizenship in Iceland, or getting past the immigrant holding-camps in Australia, or over the border separating Mexico from the North, or moving from Africa to most of the European countries.
It's a curiosity of the corporate-libertarian economic model that capitol is multinational, but labour is stuck with the economy their dealt. That's part of the problem that this study seems to address. The elite do not have to care about the majority, because they and their offspring will be able to run from the worst of the problems for the longest – probably. But unless the elite are forced to see themselves at risk, and lose some of the benefits of their elite status, they will oppose change, and with their concentration of power that will cause problems for everybody.
Pretty creepy stuff. Maybe some elitists will read this study and save us! Or some other plan....