If you watched his videos you would know that the other chainmail grill scrubbers only appeared after he released his. The price difference is literally the central thesis of the video series - because the US has almost entirely outsourced manufacturing to countries like China and Vietnam, buying products from there are cheaper due to economies of scale. This gives those countries great economic leverage, and the US should not have been so happy to outsource. This can of course be reverted with sustained effort, that Destin is hoping to be a part of.