Sure they have mistakes, like the failures in this article and many others, but to claim they are in general harmful to US interests...I think it probably just appears that way.
Because I think they probably serve the capitalist and mercantilist interests of the US, which probably differ in appearance from the more symbolic or mythological appearances of what the US is. So on the outside, the idea of patriotism is quite sentimental, perhaps on the inside it's all about capital and mercantile power.
So things which seem to violate the more sentimental and mythological idea of the US and patriotism, perhaps are actually wins from a mercantile or capitalist perspective....or maybe they are just failing on that mission as well I don't know.