Free markets are and always have been the tool of the powerful to bludgeon the weak.
How much did India and China benefit from Britain's advocacy of free markets in the with century?
How much did the working poor of any nation in that period?
Or this period, for that matter?
Free markets are a tool of the rich and powerful to keep themselves so, and to make themselves more so. Which is why the richest, what, 1%? Control half of global wealth.