This obsession about the opinions of others is America's worst trait. The fact is, the information that can be learned about the long term effects of materials in space supersedes international opinion.
America was in the right place at the right time in 1787 and knew it. Commerce, worldwide, was the goal, and that meant impressing others with quality and price. They had a good run, and now is the time to wind up the old music box once more. Space development is something only America can do and do right.