It's a question of whether markets are BETTER able to minimize the biases toward the powerful and the crooked than other means of allocating resources.
There's a reason that the OECD capitalist countries are so powerful and have so much higher standards of living than the formerly (and currently) communist countries.
You mean apart from colonial militarism and outright theft?
You're being terribly naive if you really think that markets make people rich without any other factors.
While the OECD basks in its financial superiority, most - if not all - of the countries benefit from straightforward colonial resource extraction of both materials and labour from the rest of the world.