They feel they may be doing them a favor by relinquishing them of their political problems and take care of everything for them.
Couldn't have said it better.
Taking the role of a government is generally a net loss.
If any Beyonian wishes to expand the planet's clout, it'd be better if they'd just stick to their current, time-proven strategy.
If memory serves me right, the British East India Company did a similar thing, milking government responsibility for all its worth.