What a bizarre and (unintentionally?) result-biasing statement.
Picking 200 years ago is literally choosing what may be the lowest point in global living standards for a millennia -- early industrialization and colonialism had each radically shocked the shape of the societies touched by them, breaking stable, comfortable, familiar lifestyle and community traditions in a race for abstract economic development with little concern for exploitation or local consequence.
Maybe everybody is better off now than they were 200 years ago, but most individuals in the world were much worse off 200 years ago than they were 200 years before that, so the discussion is quite complicated and an analysis like this doesn't tell you that we're doing the best thing now, just that we're seemingly doing much better than when we first really fucked it all up.