Negatives of a royal colony?

Question

What are the negatives of a royal colony and benefits of a proprietary colony?

Answer 1

negatives of a royal colony is that the royal family, for the most part, simply live off the people. And there's great disparity in standard of living between the royalty and the commoners.

Answer 2

"And there's great disparity in standard of living between the royalty and the commoners."

How is that different from any country - the leaders always live like kings (if they aren't one), while the rest generally live less privileged lives.